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Koyo HJ-122012 — catalogue photograph of the needle roller bearing family

Koyo HJ-122012 heavy-duty needle roller bearing

Koyo HJ-122012 heavy-duty needle roller bearing: roller bore diameter Fw 19.050 mm, outside diameter D 31.750 mm, width 19.050 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 HJ-122012 — catalogue photograph of the needle roller bearing family
Koyo HJ-122012: roller bore diameter Fw 19.050 mm, outside diameter D 31.750 mm, width C 19.050 mm, drawn to scaleFw 19.050 mmD 31.750 mmC 19.050 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 Fw19.050 mm
Outside diameter D31.750 mm
Width19.050 mm
Basic dynamic load rating Cr20.7 kN
Basic static load rating C0r23.3 kN
Limiting speed, grease lubrication16000 min-1
Limiting speed, oil lubrication25000 min-1
Mass0.059 kg
Product typeHeavy-duty needle roller bearings, inch series, HJ type

All specifications: Verified printed in Koyo’s own catalogue

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