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Koyo NK50/25 — catalogue photograph of the needle roller bearing family

Koyo NK50/25 heavy-duty needle roller bearing

Koyo NK50/25 heavy-duty needle roller bearing: roller bore diameter Fw 50 mm, outside diameter D 62 mm, width 25 mm.

Heavy-duty 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 NK50/25 — catalogue photograph of the needle roller bearing familyKoyo NK50/25 — catalogue drawing of the needle roller bearing familyKoyo NK50/25 — catalogue drawing of the needle roller bearing family
Koyo NK50/25: roller bore diameter Fw 50 mm, outside diameter D 62 mm, width C 25 mm, drawn to scaleFw 50 mmD 62 mmC 25 mm
Drawing: BearingLookup, to the printed roller bore diameter Fw, outside diameter D and width C cited in the specifications below; internal detail is illustrative.

Specifications

Roller bore diameter Fw50 mm
Outside diameter D62 mm
Width25 mm
Basic dynamic load rating Cr40.7 kN
Shaft diameter50 mm
Basic static load rating C0r79.3 kN
Limiting speed, grease lubrication5500 min-1
Limiting speed, oil lubrication8500 min-1
Mass0.171 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verified printed in Koyo’s own catalogue

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