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Koyo RNA6909 — catalogue photograph of the needle roller bearing family

Koyo RNA6909 heavy-duty needle roller bearing

Koyo RNA6909 heavy-duty needle roller bearing: roller bore diameter Fw 52 mm, outside diameter D 68 mm, width 40 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 RNA6909 — catalogue photograph of the needle roller bearing familyKoyo RNA6909 — catalogue drawing of the needle roller bearing familyKoyo RNA6909 — catalogue drawing of the needle roller bearing family
Koyo RNA6909: roller bore diameter Fw 52 mm, outside diameter D 68 mm, width C 40 mm, drawn to scaleFw 52 mmD 68 mmC 40 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 Fw52 mm
Outside diameter D68 mm
Width40 mm
Basic dynamic load rating Cr74.7 kN
Shaft diameter52 mm
Basic static load rating C0r137 kN
Limiting speed, grease lubrication5400 min-1
Limiting speed, oil lubrication8400 min-1
Mass0.392 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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