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Koyo RNA6903 — catalogue photograph of the needle roller bearing family

Koyo RNA6903 needle roller bearing inner ring

Koyo RNA6903 needle roller bearing inner ring: roller bore diameter Fw 22 mm, outside diameter D 30 mm, width 23 mm.

Needle roller bearing inner rings · 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 RNA6903 — catalogue photograph of the needle roller bearing familyKoyo RNA6903 — catalogue drawing of the needle roller bearing familyKoyo RNA6903 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw22 mm
Outside diameter D30 mm
Width23 mm
Basic dynamic load rating Cr19.8 kN
Shaft diameter22 mm
Basic static load rating C0r30.6 kN
Limiting speed, grease lubrication13000 min-1
Limiting speed, oil lubrication20000 min-1
Mass0.056 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

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