Bearings - Technical Information - Hobby and Engineering

Bearings

Materials

• 316 Stainless Steel
  (not commonly used for bearings)
• 440C Stainless Steel
  (very common bearing material)
• Acetal
  (commonly used bearing material for low load, low speed, wet applications)
• Ceramic Hybrid and Full Ceramic Bearings
  (Please don't confuse the one with the other)
• SAE52100 Chrome Steel
  (very common bearing material)
• Silicon Nitride Ceramic (Si3N4)
  (For medium to high speed, high load, high temperature, resistance to water or chemicals)
• Zirconia Ceramic (ZrO2)
  (For slow speed, very high load, extreme temperature, resistance to water or chemicals)

Precision Grades - Tolerances

• 316 Stainless Bearings
  (not standard bearing grade)
• 440C Stainless and SAE52100 Chrome Steel Bearings
  (Abec and ISO grades)
• Acetal Bearings
  (engineering plastic)

Problem Solving

• Cleanliness
• Noise
• Problem Solving Analysis

Properties and attributes

• Cages (Retainers)
• Clearance (Radial Play)
• Closures (Seals and Shields)
• Flanges and Snap Rings
• Lubrication
• Speed / Limiting Speed

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Technical Index

Product Technical Information

Balls	Bearings	Couplings
Pins	Shafting	Timing Belts and Pulleys

Other Technical Information

Basic Information Sheets	Catalogues	Glossary of Technical Terms
Links to Further Information	Materials Information	Measurement Conversions
Skate Bearing FAQ	Technical Information Sheets

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