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Koyo 30304AJR — catalogue photograph of the metric tapered roller bearing family

Koyo 30304AJR metric tapered roller bearing

Koyo 30304AJR metric tapered roller bearing: bore d 20 mm, outside diameter D 52 mm, width 16.25 mm.

Metric tapered 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 30304AJR — catalogue photograph of the metric tapered roller bearing familyKoyo 30304AJR — catalogue drawing of the metric tapered roller bearing family

Specifications

Bore d20 mm
Outside diameter D52 mm
Width16.25 mm
Basic dynamic load rating Cr45.3 kN
Basic static load rating C0r35.1 kN
Limiting speed, grease lubrication8300 min-1
Limiting speed, oil lubrication11000 min-1
Mass0.179 kg

All specifications: Verifiedprinted in Koyo’s own catalogue

Same size, other makers and types (20 × 52 × 16.25 mm)

PartManufacturerType
30304NTNmetric tapered roller bearing
30304ANTNmetric tapered roller bearing
30304CANTNmetric tapered roller bearing

These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting.

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