6303-2RZ — 17 × 47 × 14 mm

What each manufacturer published.

A dash means that manufacturer did not publish the value. Dimensions every source agrees on are shown above rather than repeated per row.

Calculated from the published values.

Arithmetic on the figures above — not a bearing life calculation for your load case.

The works that publish 6303-2RZ.

CGJF

Taizhou, Zhejiang, China

Low-noise ball and tapered roller bearings

Jinfa Bearing manufactures sealed deep groove ball bearings and tapered roller bearings in Wenling, Zhejiang. Its CGJF range addresses motor, machine-tool, automotive and water-pump requirements. The company describes separate grinding, heat-treatment and assembly operations, with product development covering motor-bearing noise and sealing.

Published ranges: Sealed deep groove ball bearings · Tapered roller bearings · Motor and water-pump bearing applications

71 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ask CGJF about 6303-2RZ

Add to inquiry

Applications the publishing works state.

Application areas each manufacturer states for its own range. Confirm load, speed, temperature and lubrication for your case.

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Static load rating · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Limiting speed — grease · Limiting speed — oil · Noise / vibration test method · Manufacturer series · Manufacturer suffix.

Ask the manufacturer for these when you enquire.

Other designations with the same 17x47x14 mm envelope.

Same envelope, but sealing, internal design, clearance and load capability differ — not interchangeable by default.

Neighbouring designations documented here.

Each envelope shown is that designation’s own published size.