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NTN RLS 4

Deep groove ball · Open

Bore

12.70 mm

Outside dia

33.34 mm

Width

9.53 mm

Dynamic C

7.3 kN

Static C0

3.1 kN

Speed grease

45,000 rpm

Speed oil

32,000 rpm

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Weight

0.056 kg

Interactive view — 3D model + CAD files → Substitution sheet — printable →

Evidence

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

Interchange family — 8 records

Part number	Manufacturer	Bore×OD×Width	C
RLS 4	KOYO (JTEKT)	12.7×33.338×9.525	7.3 kN
RLS 4	INA (Schaeffler)	12.7×33.338×9.525	7.3 kN
RLS 4	MinebeaMitsumi (NMB)	12.7×33.338×9.525	7.3 kN
RLS 4	Nachi Fujikoshi	12.7×33.338×9.525	7.3 kN
RLS 4	FAG (Schaeffler)	12.7×33.338×9.525	7.3 kN
RLS 4	Timken	12.7×33.338×9.525	7.3 kN
RLS 4	RBC Bearings	12.7×33.338×9.525	7.3 kN
RLS 4	Peer Bearing	12.7×33.338×9.525	7.3 kN