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Koyo RNA6904 — catalogue photograph of the needle roller bearing family

Koyo RNA6904 heavy-duty needle roller bearing

Koyo RNA6904 heavy-duty needle roller bearing: roller bore diameter Fw 25 mm, outside diameter D 37 mm, width 30 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 RNA6904 — catalogue photograph of the needle roller bearing familyKoyo RNA6904 — catalogue drawing of the needle roller bearing familyKoyo RNA6904 — catalogue drawing of the needle roller bearing family
Koyo RNA6904: roller bore diameter Fw 25 mm, outside diameter D 37 mm, width C 30 mm, drawn to scaleFw 25 mmD 37 mmC 30 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 Fw25 mm
Outside diameter D37 mm
Width30 mm
Basic dynamic load rating Cr36.6 kN
Shaft diameter25 mm
Basic static load rating C0r51.0 kN
Limiting speed, grease lubrication12000 min-1
Limiting speed, oil lubrication18000 min-1
Mass0.091 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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