637ZZ Miniature Ball Bearings

The same size can be made of different materials, including,

Stainless Steel Bearings

Chrome Steel Bearings

Carbon Steel Bearings

Ceramic Bearings

Max Load (kgf)
Dyn:460
Stat:200
RPM (x1000):32

Shield / closure: Open Bearing, Z, ZZ, RS, 2RS,TT
Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration level codes: V4, V3, V2, V1
Internal clearance codes: C2, C3, C4, C5
Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic
Retainer: PTFE, Nylon, PEEK Or Stainless Steel

This bearing can be found with the following part numbers on it:
637-2RS, 637 2RS, 637 RS, 637RS, 637-ZZ, 637 ZZ, 637ZZ, 637 Z
SS637-2RS, SS637 2RS, SS637 RS, SS637RS, SS637-ZZ, SS637 ZZ, SS637ZZ, SS637 Z

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