OTHER MATERIALS

Beryllium copper
Adding about 1.8% by weight of beryllium and about 0.2% cobalt to copper provides an alloy with strength comparable to many steels. The high strength, hardness, and thermal conductivity of the alloy promotes its use in high load bearings, especially where reliability is required under occasional overload, impact, high temperature, or marginal lubrication conditions. These alloys are used in electrically conducting applications and are frequently specified for aircraft landing gear and other airframe sliding surfaces.

• Non-magnetic
• Excellent electrical conductor
• High temperature capability
• Corrosion resistant, nearly equal to nickel

Plastics: Nylon - PEEK - Acetal/Delrin
Plastic ball bearings offer a corrosion resistant light weight alternative to standard steel ball bearings. They are non-magnetic and run lubrication free. Their load capacity is significantly less than metallic ball bearings, but when carefully selected they can be a economical low maintenance solution for your applications.

• Non-magnetic
• Light weight
• Corrosion resistant
• Economical

300 Series Stainless Steel (316 & 303)
In a semi-precision grade bearing, 300 series stainless steel can be chosen for improved corrosion resistance over 440C. These materials are not heat treated so load capacity is significantly less than HT 52100 & 440C. It can be used for both rings and balls or SS rings with ceramic balls. 300 series stainless steel offers excellent corrosion resistance to water and excellent to good resistance when exposed to certain common acids. This material can be an excellent choice for food grade applications. Other applications may include marine and vacuum processes. 300 series stainless steel is also a common material used for ribbon and crown type retainers. 300 series stainless steels are generally considered non-magnetic. As 300 series bearings are not as common as 440C, size availability and minimum order requirements apply.

• Non-magnetic
• Corrosion resistant