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Koyo RNA6912 — catalogue photograph of the needle roller bearing family

Koyo RNA6912 heavy-duty needle roller bearing

Koyo RNA6912 heavy-duty needle roller bearing: roller bore diameter Fw 68 mm, outside diameter D 85 mm, width 45 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 RNA6912 — catalogue photograph of the needle roller bearing familyKoyo RNA6912 — catalogue drawing of the needle roller bearing familyKoyo RNA6912 — catalogue drawing of the needle roller bearing family
Koyo RNA6912: roller bore diameter Fw 68 mm, outside diameter D 85 mm, width C 45 mm, drawn to scaleFw 68 mmD 85 mmC 45 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 Fw68 mm
Outside diameter D85 mm
Width45 mm
Basic dynamic load rating Cr99.3 kN
Shaft diameter68 mm
Basic static load rating C0r189 kN
Limiting speed, grease lubrication4100 min-1
Limiting speed, oil lubrication6300 min-1
Mass0.546 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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