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Koyo 7921C — catalogue photograph of the angular contact ball bearing family

Koyo 7921C angular contact ball bearing

Koyo 7921C angular contact ball bearing: bore d 105 mm, outside diameter D 145 mm, width 20 mm.

Angular contact ball bearings · All Koyo part numbers

Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.

Koyo 7921C — catalogue photograph of the angular contact ball bearing familyKoyo 7921C — catalogue drawing of the angular contact ball bearing family

Specifications

Bore d105 mm
Outside diameter D145 mm
Width20 mm
Limiting speed, grease lubrication6700 min-1
Limiting speed, oil lubrication8800 min-1
Mass0.810 kg

All specifications: Verifiedprinted in Koyo’s own catalogue

Same size, other makers and types (105 × 145 × 20 mm)

PartManufacturerType
6921LUNTNdeep groove ball bearing
6921LUC3NTNdeep groove ball bearing
6921LUNNTNdeep groove ball bearing
6921LUNC3NTNdeep groove ball bearing
6921ZNNTNdeep groove ball bearing
6921ZNC3NTNdeep groove ball bearing
6921-1 2RSKoyodeep groove ball bearing
6921-1 2RUKoyodeep groove ball bearing
6921-1 ZZKoyodeep groove ball bearing
6921Koyodeep groove ball bearing

These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting.

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