Categories that include the terms: COUPLINGS and HELICAL and LOW and INERTIA
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Couplings |  |
Couplings - Helical - Standard (Relevance 7/10)
0.1 to 16.2 Nm.
Zero backlash. Max. Ang Misalignment 5 Degrees. Max Parallel Offset 0.25mm.
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Couplings - Bantam - Complete (Relevance 4/10)
Isolates vibration up to 85%. Sleeve provides electrical insulation. 0.21Nm at 1725rpm.
Parallel Offset 0.25 mm. Angular Offset 1.5 Degree.
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Couplings - Bellows - Set Screw - Aluminium (Relevance 4/10)
Zero Backlash - High Torsional Stiffness - Identical Clockwise and Anticlockwise Characteristics
Phosphor Bronze Bellows Aluminium Hubs
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Couplings - Double Disk (Relevance 4/10)
Zero Backlash - High Torsional Stiffness.
Hub and Spacer: Aluminium Alloy. Pin and Disc: Stainless Steel. Max Axial Play: +/-0.5mm. 0.7 to 12.5 Nm. 3000 to 19000 rpm.
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Couplings - Double Disk - High Torque (Relevance 4/10)
Zero Backlash - Clamp Locking - Medium torsional stiffness.
High torsional stiffness and high response. Zero backlash. Hub: Aluminium (A2017) Spacer: Aluminium (A2011). Pin: Stainless Steel (SUS301) Disk: Stainless Steel (SUS303). Maximum Temperature: +100°C. 2.8 to 22 Nm. 2400 to 4800 rpm. Identical clockwise & anti-clockwise rotational characteristics.
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Couplings - HRC (Relevance 4/10)
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Couplings - Jaw Type - With Polyurethane Spider (Relevance 4/10)
Miniature aluminium curved jaw flexible couplings. 2 to 160 Nm.
Discs (either red as standard with blue or white optional) are available to purchase separately. Flexible couplings transmit torque and rotational angle while absorbing misalignment. When the misalignment exceeds allowable values, vibration may result or the life of the coupling may become shortened. Zero backlash in low torque application, made capable by having the hubs pressed in a spacer. Can be used as a flexible coupling in a high torque application.
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Couplings - Jaw Type - With Rubber Spider (Relevance 4/10)
Max 3600 RPM. 0.39 to 16.27 Nm.
Angular Offset = 1 Deg. Max. Parallel Offset = 0.381mm Max. Max Recommended Speed 3600 RPM.
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Couplings - Rigid (Relevance 4/10)
0.35 to 5.1 Nm.
Quality Class Precision: Bore Tolerance +0.013 / - 0.000 concentric within 0.0127mm T.I.R. Quality Class Commercial: Bore Tolerance +0.051 / -0.000.
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Couplings - Slit Type (Relevance 4/10)
Aluminium - Stainless Steel - Flexible - Zero Backlash. 0.1 to 35 Nm. 2400 to 48000 rpm.
High Torsional Stiffness. Zero Backlash.
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Extenders - Shaft (Relevance 4/10)
Miniature and large shaft extenders.
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Gearmotors | |
Gearmotors - DC - Low Voltage (Relevance 4/10)
Reversible - Low Voltage - Self Starting.
Reversible. Low Voltage. Self Starting. Hosuing : Plastic / Shaft : Steel.
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Gearmotors - DC - Size 20 Low Cost (Relevance 4/10)
20mm Gearhead Body Diameter. Low cost. 70 RPM Output Speed. One model only. Reversible.
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Gearmotors - DC - Size 27 Low Cost (Relevance 4/10)
27mm Gearhead Body Diameter. Low cost. 36 RPM Output Speed. One model only. Reversible.
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Gearmotors - DC - Size 37/350 Low Cost (Relevance 4/10)
37mm Gearhead Body Diameter. Low cost. 160 RPM Output Speed. One model only. Reversible.
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Shaft and Shafting | |
Shafts - Flexible - Coupling Ends - Open (SDP) (Relevance 4/10)
Flexible shafting with coupling ends ready to attach to a fixed shaft.
See PDF file at bottom of internet page for Performance Data.
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Bearings and Housings | |
Bearings - Spyraflo - Pillow Block - Self Aligning (Relevance 3/10)
Robust light weight aluminium housing with self aligning needle roller or bronze bearings.
See links at bottom of web page for more information +/- 5% Static Alignment Sintered aluminium housing Corrosion Resistant Light weight
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Housings - Bearing - Pillow Block - Miniature (Relevance 3/10)
Aluminium pillow block housings mounted with 440C stainless miniature bearings
No more need for expensive engineering of housings to suit your new applications. Fully greased Japanese 440C Grade corrosion resistant stainless steel ball bearings Double shielded bearings to minimise contamination
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Cam Followers | |
Cam Followers - Miniature - Standard (Relevance 3/10)
Stainless steel ball type cam followers.
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Cam Followers - Roller Type - Stainless Steel (Relevance 3/10)
Stainless steel roller type cam followers.
Stainless Steel similar to 440C. Seals: Synthetic rubber seals. Shields: Stainless Steel shields. Screwdriver slot for mounting. Stud designed to fit H7 housing.
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Cam Followers - Roller Type - Urethane Covered (Relevance 3/10)
Urethane tyred cam followers for noise reduction, reduced wear and non marking
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Fasteners | |
Screws - Large Shallow Head (Relevance 3/10)
UNC - UNF - METRIC - Various Materials.
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Hobby Accessories | |
Glow Plugs (Relevance 3/10)
Real McCoy, OS glow plugs and Super Tiger
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Glow Starter Kits (Relevance 3/10)
Starter pack. Fuel Bottel, 4 in 1 spanner, glow starter and charger
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Glow Starters (Relevance 3/10)
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Propellers - Plane - Electric - Slow Fly (Relevance 3/10)
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Insert Bearings and Housings | |
Housings - Bearing - Pillow Block - Cast Iron (Relevance 3/10)
Lubrication Groove. Bearings sold separately. Larger sizes available on request. Use with steel bearing inserts for cast iron housings.
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Housings - Bearing - Pillow Block - Plastic (Relevance 3/10)
Load and speed capability depend on the bearing used. Use with steel bearing inserts for plastic housings.
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Housings - Bearing - Pillow Block - Pressed Metal (Relevance 3/10)
Bearings sold separately. Use with steel bearing inserts for pressed metal housings. Larger sizes available on request.
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Linear Drive Systems - Ballscrew | |
Screws - Ball - 16mm Nuts - Pillow Block (Relevance 3/10)
Includes ball nut.
Antibacklash. Repeatability 0.01mm, accuracy 0.1mm/300mm when used with our 16mm screws. Hardened ground and polished Cf53 steel to HRC62 +/-2. Balls hardened HRC63 +/- 2.
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Adhesives and Sealants | |
Threadlockers (Relevance 1/10)
ZAP, Molytec, Loctite, Pacer. Pipe sealant, low to high strength threadlockers. Hydraulic threadlocker. Wick-In. Stops threads loosening from vibration.
Some items in this category are marked as only available for collection.
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Balls | |
Balls - Nylon (Relevance 1/10)
Resists alkalies, weak acids and most organic solvents.
Tolerances available on request. Nylon (Polyamide 6/6). Resists alkalies, weak acids and most organic solvents. Low water absorption. Unpolished. Specific Gravity: 1.14.
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Balls - Stainless Steel - 304 Grade (Relevance 1/10)
A2 Grade. Low magnetic permeability. Good corrosion resistance. Excellent for use in handling foodstuffs.
Tolerances available on request. Grade 100. Non annealed. Hardness: Rockwell C: 25-39. Specific Gravity: 7.916. Low magnetic permeability. Good corrosion resistance. Excellent for use in handling foodstuffs. Note! Increase in magnetic permeability may occur due to the grinding process and can be relieved by heating to over 1000 Deg C.
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Balls - Stainless Steel - 316 Grade (Relevance 1/10)
A4 Grade. Low magnetic permeability. Resistant to severe corrosive conditions. Excellent welding and brazing qualities.
Tolerances available on request. Grade 100. Hardness: Rockwell C: 25-39. Specific Gravity: 7.972. Low magnetic permeability. Resistant to severe corrosive conditions. Excellent welding and brazing qualities. Note! Increase in magnetic permeability may occur due to the grinding process and can be releived by heating to over 1000 Deg C.
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Bearings - Specialty | |
Bearings - Acetal - with 316 Stainless Steel Balls (Relevance 1/10)
Bearings for Extreme Corrosion Resistance - Low Speed - Low Load.
Races made from Acetal - Balls made from 316 Stainless Steel - Cages from Acetal or Nylon. Lubrication - Water Lubrication or can be run dry - Must lubricate over 2500 RPM. Temperature Range - Minus 30 Deg C to 100 Deg C Continuous.
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Bearings - Acetal - with Glass Balls (Relevance 1/10)
Bearings for Extreme Corrosion Resistance - Low Speed - Low Load.
Races made from Acetal - Balls made from Ground Glass - Cages from Acetal or Nylon. Lubrication - Water Lubrication or can be run dry - Must lubricate over 2500 RPM. Temperature Range - Minus 30 Deg C to 100 Deg C Continuous.
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Bearings - Ceramic Si3N4 (Relevance 1/10)
Excellent performance in electrical and magnetism sensitive applications. Higher speed than Zr02.
Excellent performance in electrical and magnetism sensitive applications. Wear and corrosion resistance. Lubrication and maintenance free. 3.2g/cubic cm density. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. Si3N4 (GSN-201) standard material for balls, cage and rings. HRC80 Hardness. High and low- temperature application. Up to 250 Deg C with PTFE Cage and 130 Deg C with Nylon Cage.
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Bearings - Ceramic ZrO2 (Relevance 1/10)
Excellent performance in electrical and magnetism sensitive applications. Not for High Speed.
Excellent performance in electrical and magnetism sensitive applications. Wear and corrosion resistance. Lubrication and maintenance free. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. ZrO2 standard material for balls, cage and rings. Si3N4 available to special order. High and low- temperature application. Up to 250 Deg C with PTFE Cage and 130 Deg C with Nylon Cage.
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Bearings and Housings | |
Bearings - Spyraflo - Flange Mount - Non Aligning (Relevance 1/10)
Low profile flange mounted needle roller and bronze bearings
See links at bottom of web page for more information
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Bearings - Spyraflo - Flange Mount - Self Aligning (Relevance 1/10)
Low profile self aligning flange mounted needle roller, acetal and bronze bearings
See links at bottom of web page for more information +/- 5% Static Alignment
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Clamping and Locking | |
Rings - Tolerance (Relevance 1/10)
Tolerance Rings allow looser tolerances for assembly of parts such as bearings, pulleys and gears.
Allows looser tolerances of components. Ideal for mounting ball bearings. Useful for salvaging worn parts. Permits low cost assembly by eliminating the need for conventional fasteners. Use Torque Transfer figures for gears and pulleys. Non torque transfer figures are for bearing applications.
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Clutches and Brakes | |
Clutches - Slip - Inline (Relevance 1/10)
Multiplate Design.
Fully adjustable within rating limits. Low stick / slip ratio. Continuous slip within dissipation limit. Zinc plated steel housing with brass plates. Proprietary non-asbestos friction material.
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Fasteners | |
Locknuts (Relevance 1/10)
Nut Body: Low Carbon Steel. Locking Insert: Stainless Steel Hardness HB 201-269.
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Pins - Hammer Drive - Flat Head (Relevance 1/10)
Used to replace screws where the need to remove the pin is unlikely.
Low Carbon Steel (Series HP210) - self-colour, not plated cold formed pin. Simple, low cost assembly for use in mild steel, aluminium, brass or plastics. Secure - unlike a machine screw, a drive stud does not depend on tightening torque to be retained in the assembly. Drive studs do not require lock washers to prevent back-out. Designed for standard metric hole sizes and installation by hammer or press. Cold formed pins with helical knurls.
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Pins - Hammer Drive - Round Head (Relevance 1/10)
Used to replace screws where the need to remove the pin is unlikely.
Low Carbon Steel (Series HP210) - self-colour, not plated cold formed pin. Simple, low cost assembly for use in mild steel, aluminium, brass or plastics. Secure - unlike a machine screw, a drive stud does not depend on tightening torque to be retained in the assembly. Drive studs do not require lock washers to prevent back-out. Designed for standard metric hole sizes and installation by hammer or press. Cold formed pins with helical knurls.
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Gearmotors | |
Gearmotors - Basic - Hobby - 12.1mm Diameter (Relevance 1/10)
Small light weight geared motors used in toys and small solar applications
NOTE! These gearmotors do not have a standard output shaft. The output is a plastic crossed block (see diagram) which is designed to be fitted to a fabricated coupling in O.E.M applications. However, the plastic block would be suitable for drilling and attaching objects with wire for rotating mobile type applications.
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Hobby Accessories | |
Dubro Accessories Listed by Description (Relevance 1/10)
Accessories for model airplanes and other hobbies.
Allen Keys, Antenna Cowlings, Antenna Tubes, Axles, Ball Links, Ball Drivers, Bellcranks, Cables, Clevis, Clips, Collars, Connectors, Control Horns & Links, Couplings, Crimps, DVDs, Fittings, Fuel Bottles, Fuel Connectors, Fuel Systems, Fuel Tank, Fuel Tube, Gas Conversion Stoppers, Gear Block Sets, Heat Shrink, Hinges, Horns, Kwik Grips, Kwik Starts, Kwik Stops, Landing Gears Latchs, Linkages, Links, Mixers, Mounts, Nuts, Pumps, Push Rods, Reamers, Retainers, Rod Ends, Screws, Screwdrivers, Servo Arms, Servo Savers, Shafts, Spinners, Steering Arms, Stoppers, Switches, Tap & Drill Sets, Tape, Threaded Rods, Tools, Tube Benders, Turnbuckles, Valves, Washers, Wheels, Wheel Covers, Wheel Retainers, Wing Mount Kits, Wrenchs, Push-Pull Cable.
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Linear Drive Systems - Ballscrew | |
Screws - Ball - Thomson Saginaw (Relevance 1/10)
Offer 90% efficiency converting rotary to linear motion with low coefficient of friction.
When replacing screws, hydraulics or pneumatics, they allow the use of smaller, less expensive drive motors and reduce the need for auxiliary equipment. Offer dependable accuracy and repeatability, Made off high quality alloy steel, hardened to Rockwell 56-60C.
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Linear Drive Systems - Leadscrew | |
Leadscrew Nuts - Metric - Hexagonal - Metallic (Relevance 1/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: Carbon Manganese Steel S300 Pb (11 SMn Pb37). If welding, difficulties may arise with bubbling due to sulphur content. To be used with screws:- LFM, LSM, LRH, LSRH (Single Start). Manual control - Low rotation speeds - For clamping or locking functions - For receiving dead weights. For power transmission and continuous use, always use bronze nuts, never steel. Nuts and screws should always be lubricated with grease or oil.
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Leadscrew Nuts - Metric - Round - Metallic (Relevance 1/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: KSM = Carbon Manganese Steel S300 Pb (11 SMn Pb37) / LRM = Bronze CuSn8P. Carbon Manganese steel can be welded but difficulties may arise with bubbling due to sulphur content. KSM: Manual control control only - low rotational speeds only - for clamping or locking functions - for receiving dead weights. LRM: Manual or powered control - low and medium rotational speeds - for working under load. For power transmission and continuous use always use bronze nuts not steel.
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Leadscrew Nuts - Metric - Square - Metallic (Relevance 1/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: Carbon Manganese Steel S300 Pb (11 SMn Pb37). If welding, difficulties may arise with bubbling due to sulphur content. To be used with screws:- LFM, LSM, LRH, LSRH (Single Start). Manual control - Low rotation speeds - For clamping or locking functions - For receiving dead weights. For power transmission and continuous use, always use bronze nuts, never steel. Nuts and screws should always be lubricated with grease or oil.
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Linear Motion Bearings - Drylin | |
Linear Slide - Drylin - Carriage Assembly (Relevance 1/10)
Insensitive to dust and dirt. Match with Drylin Rail sold seperately.
Match size 1 assembly with size 1 rail or size 2 assembly with size 2 rail. Flat and wide for supporting high moments. Low friction value for dry running. Rugged, corrosion-free and wear-resistant. Low noise operation - rail made of hard anodised aluminium - liners made from Iglidur J.
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Linear Slide - Drylin - Rail (Relevance 1/10)
Insensitive to dust and dirt. Match with Drylin Carriage Assembly sold seperately.
Match size 1 assembly with size 1 rail or size 2 assembly with size 2 rail. Flat and wide for supporting high moments. Low friction value for dry running. Rugged, corrosion-free and wear-resistant. Low noise operation - rail made of hard anodised aluminium - liners made from Iglidur J.
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Magnets | |
Magnets - Bar (Relevance 1/10)
Great hobby and educational magnets for learning about magnetic attraction
These strong ferrite magnets can be used in hobbies or industrial applications. Non listed sizes can be ordered with minimum quantities often as low as 100 pieces. These are a basic magnet with unfinished edges. The nature of this product is that the edges chip easily so please don't rely on parts having an esthetically pleasing edge finish.
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Magnets - Ceramic Blocks (Relevance 1/10)
Low cost, light weight, high energy material
Non conductive hard brittle material Performs best at temperatures below 249 Deg C Can be cut with a diamond wheel Difficult to grind and can't be machined or drilled by normal methods Tolerance 0.13mm on all dimensions
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Magnets - Ferrite (Relevance 1/10)
Small ferrite magnets with good pulling strength.
These strong ferrite magnets can be used in hobbies or industrial applications. Non listed sizes can be ordered with minimum quantities often as low as 100 pieces. These are a basic magnet with unfinished edges. The nature of this product is that the edges chip easily so please don't rely on parts having an esthetically pleasing edge finish.
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Materials | |
Rod - Round - Carbon Fibre (Relevance 1/10)
High impact light weight carbon fibre for modelling.
Pultruded carbon fibre with a smooth epoxy coated finish Items marked as Low Grade may have tolerance variations up to 0.2mm
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Tube - Round - Carbon Fibre (Relevance 1/10)
High impact light weight carbon fibre hollow tubing for modelling.
Pultruded carbon fibre with a smooth epoxy coated finish Items marked as Low Grade may have tolerance variations up to 0.2mm
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Tube - Square - Carbon Fibre - Round Hole (Relevance 1/10)
High impact light weight carbon fibre tubing for modelling.
Pultruded carbon fibre with a smooth epoxy coated finish Items marked as Low Grade may have tolerance variations up to 0.2mm
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Tube - Square - Carbon Fibre - Square Hole (Relevance 1/10)
High impact light weight carbon fibre tubing for modelling.
Pultruded carbon fibre with a smooth epoxy coated finish Items marked as Low Grade may have tolerance variations up to 0.2mm
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Motors - DC - MAX Series | |
Motors - DC - MAX 40 (Relevance 1/10)
Precious metal brush commutation system. See Gearheads - Ondrives - MAX Series for matching gearheads.
Operating Temperature Range: -30°C to +85°C (Max. rotor temperature +85°C), Mass: 187g. Low inductance - much longer brush life and low electrical noise. Low inertia - low mechanical time constant for fast acceleration and high speed stability. High efficiency - low current consumption, ideal for battery powered applications. Linear speed torque characteristics - simple accurate control ideal for servo applications.
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Motors - Hobby - Robotic - Appliances | |
Motors - DC 6mm Diameter (Relevance 1/10)
Our smallest motors at an affordable price.
Various models 10000 to 30000 rpm Low starting voltage of <0.8V Rated Voltage 1.3V 100 hours / 100000 turns mechanical life Less than 43 dB Mechanical Noise Level
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Mounts and Vibration Control | |
Dampeners - Double Studded - Silicone (Relevance 1/10)
Damps low frequency vibrations.
Use for compression only.
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Plain Bearings | |
Bushes - Plastic - Hobby (Relevance 1/10)
A small selection of popular sizes X-Lube.
See main listings for sizes not shown here. Pricing is highly quantity dependant. Please enquire. Self lubricating - low friction - non-corrosive - light weight - chemical resistance. Molybdenum Disulphide filled Nylon 6.
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Bushes - Plastic - X-Lube - Flanged (Relevance 1/10)
Self lubricating - low friction - non-corrosive - light weight - chemical resistant.
Molybdenum Disulphide filled Nylon 6. Pricing is highly quantity dependant. Please enquire. Note! X-Lube bushes are moulded to nominal tolerances for non critical applications. You will need to machine these bushes to obtain better tolerances and finish.
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Bushes - Plastic - X-Lube - Unflanged (Relevance 1/10)
Self lubricating - low friction - non-corrosive - light weight - chemical resistant.
Molybdenum Disulphide filled Nylon 6. Pricing is highly quantity dependant. Please enquire. Note! X-Lube bushes are moulded to nominal tolerances for non critical applications. You will need to machine these bushes to obtain better tolerances and finish.
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Rope and Cable | |
Attachments - Eyes - Synchromesh (Relevance 1/10)
Recommended dimensions after crimping:. 1.05 Cable - A=2.59. 2.06 Cable - A=2.64. 2.60 Cable - A=2.72. 3.40 Cable - A=2.80 (3.40 Cable must have outer helical wire removed prior to crimping).
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Seals and Sealing | |
O-Rings - Silicone Rubber (Relevance 1/10)
High thermal resistance and cold flexibility.
Temperature Range: -70°C to +200°C. Good dialectric properties and resistance to ozone and oxygen attack. Retains flexibility at high and low temperatures. Poor strength and tear resistance. Poor resistance to oils, fuels, concentrated acids and alkalis, water and steam.
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Sealing Plugs - Stainless (Relevance 1/10)
The sealing plug is a safe, quick, leakproof and low cost method for sealing cross-drilled holes. It ensures peak performance with a comfortable safety margin even in extreme applications.
Sleeve: Stainless Steel DIN 1.4305, AISI 303 Ball: Bearing Steel, Heat Treated Hardness: HB = 220
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Shaft and Shafting | |
Shafting - Ground - Hobby (Relevance 1/10)
Silversteel shafting for hobbies. Not suitable for precision bearings.
Suitable for use with plastic gears, bushes, couplings etc Not recommended for use with precision steel or stainless steel bearings Some sizes have special features such as serrations or small barbs (noted in description). Unground ends Ideal for axles in robotic applications and educational projects
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Sleeving | |
Sleeving - Mesh (Relevance 1/10)
Low cost protection for exterior threaded and cylindrical parts
Elastic snug tight fit on straight, tapered or contoured parts Made from polyethylene Thickness of web approx 1.8mm
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Spacers | |
Spacers - Hex - Threaded - Brass (Relevance 1/10)
Threaded Hex Spacers. Also known as coupling nuts.
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Spacers - Hex - Threaded - Stainless Steel (Relevance 1/10)
Threaded Hex Spacers. Also known as coupling nuts.
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Spacers - Hex - Threaded - Steel (Relevance 1/10)
Threaded Hex Spacers. Also known as coupling nuts.
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Universal Joints | |
Covers - Universal Joint - Elasticate Rubber (Relevance 1/10)
For Single and Double Universal Joints.
-27 Deg C to 70 Deg C temp range (constant). -32 Deg C to 120 Deg C temp range (intermittent).
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Universal Joints - Plastic (Relevance 1/10)
Acetal with or without steel inserts.
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Universal Joints - Plastic with Brass Inserts - Ondrives (Relevance 1/10)
Cross Piece and Inserts: Brass CZ121 Chromate and passivate finish. Body - Black Acetal Max Speed: 1000 Rpm. Temp. Range: -20 Deg C to +60 Deg C. Backlash Free up to 1000,000,000 Turns.
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Universal Joints - Steel (Relevance 1/10)
Steel - Cast Zinc - Stainless Steel.
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Wheels | |
Wheels - Industrial - Plastic (Relevance 1/10)
Wheel loadings include a safety factor of 3. Low noise. Low friction.
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