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51203 bearing: 17 × 35 × 12 mm

Bearings › 51203

A 51203 is a ball thrust bearing, 17 mm bore, 35 mm outside diameter, 12 mm high.

Bore17 mm
Outside diameter (OD)35 mm
Height12 mm
Dynamic load rating C16.3 kN
Static load rating C027 kN
Limiting speed9 500 r/min
Weight0.0514 kg

Ratings and weight: SKF product page, skf.com, read 2 Oct 2026, designation 51203. Limiting speed as SKF gives it.

Open 51203 in BenchsmithAdd to order list

What the number means

5Thrust ball bearing, one direction
12Series 12
03Bore 17 mm

Same bore, different size

One size up or down

Every bearing 17 × 35 × 12 mm: 17 × 35 × 12 mm bearings. Measured a bearing with no number on it? Type the bore, OD and width into Benchsmith → Find → Bearing.