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Koyo MJ-28121 — catalogue photograph of the needle roller bearing family

Koyo MJ-28121 drawn cup needle roller bearing

Koyo MJ-28121 drawn cup needle roller bearing: roller bore diameter Fw 44.450 mm, outside diameter D 53.975 mm, width 19.05 mm.

Drawn cup needle roller 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 MJ-28121 — catalogue photograph of the needle roller bearing familyKoyo MJ-28121 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw44.450 mm
Outside diameter D53.975 mm
Width19.05 mm
Basic dynamic load rating Cr29.58 kN
Basic static load rating C0r49.38 kN
Limiting speed, grease lubrication4700 min-1
Limiting speed, oil lubrication7300 min-1
Product typeDrawn cup needle roller bearings, inch series

All specifications: Verifiedprinted in Koyo’s own catalogue

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