7,729 parts and counting

Koyo NK47/20 — catalogue photograph of the needle roller bearing family

Koyo NK47/20 needle roller bearing inner ring

Koyo NK47/20 needle roller bearing inner ring: roller bore diameter Fw 47 mm, outside diameter D 57 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 NK47/20 — catalogue photograph of the needle roller bearing familyKoyo NK47/20 — catalogue drawing of the needle roller bearing familyKoyo NK47/20 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw47 mm
Outside diameter D57 mm
Width20 mm
Basic dynamic load rating Cr30.0 kN
Shaft diameter47 mm
Basic static load rating C0r58.5 kN
Limiting speed, grease lubrication5900 min-1
Limiting speed, oil lubrication9000 min-1
Mass0.104 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

Documents

Documents open on the publisher's own site; we link them and never host a copy.

Related parts

Sources