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Koyo NK45/20 — catalogue photograph of the needle roller bearing family

Koyo NK45/20 needle roller bearing inner ring

Koyo NK45/20 needle roller bearing inner ring: roller bore diameter Fw 45 mm, outside diameter D 55 mm, width 20 mm.

Needle roller bearing inner rings · 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 NK45/20 — catalogue photograph of the needle roller bearing familyKoyo NK45/20 — catalogue drawing of the needle roller bearing familyKoyo NK45/20 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw45 mm
Outside diameter D55 mm
Width20 mm
Basic dynamic load rating Cr29.5 kN
Shaft diameter45 mm
Basic static load rating C0r56.4 kN
Limiting speed, grease lubrication6100 min-1
Limiting speed, oil lubrication9400 min-1
Mass0.100 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

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