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Koyo RNA4911 — catalogue photograph of the needle roller bearing family

Koyo RNA4911 heavy-duty needle roller bearing

Koyo RNA4911 heavy-duty needle roller bearing: roller bore diameter Fw 63 mm, outside diameter D 80 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 RNA4911 — catalogue photograph of the needle roller bearing familyKoyo RNA4911 — catalogue drawing of the needle roller bearing familyKoyo RNA4911 — catalogue drawing of the needle roller bearing family
Koyo RNA4911: roller bore diameter Fw 63 mm, outside diameter D 80 mm, width C 25 mm, drawn to scaleFw 63 mmD 80 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 Fw63 mm
Outside diameter D80 mm
Width25 mm
Basic dynamic load rating Cr62.0 kN
Shaft diameter63 mm
Basic static load rating C0r107 kN
Limiting speed, grease lubrication4500 min-1
Limiting speed, oil lubrication6900 min-1
Mass0.285 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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