NSK 6904DDU

Name: NSK 6904DDU
Brand: NSK
SKU: 6904DDU

Deep groove ball · 2RS contact seal

Bore

20 mm

Outside dia

37 mm

Width

9 mm

Dynamic C

6.2 kN

Static C0

3.4 kN

Speed grease

18,000 rpm

Speed oil

22,000 rpm

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Weight

0.054 kg

Evidence

catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08

Part number	Manufacturer	Bore×OD×Width	C
69042RS	KOYO (JTEKT)	20×37×9	6.1 kN
6904-2RS1	SKF	20×37×9	6.4 kN
6904.2RSR	FAG (Schaeffler)	20×37×9	6.4 kN
69042RS	Timken	20×37×9	6.3 kN
6904LLU	NTN	20×37×9	6.2 kN