Product photo — see the table below for main specifications; non-standard designs welcome

Single Row Cylindrical Roller Bearings

Line contact between rollers and raceways gives high radial capacity and rigidity; separable rings make mounting and removal easy. NU/NJ/NUP designs suit machine-tool spindles, motors and axle boxes where stiffness matters.

Category	Cylindrical Roller Bearings
Precision class	P0 / P6 / P5 (P4 for precision types)
Clearance group	C0 / C2 / C3 / C4 (by application)
Material	GCr15 high-carbon chromium steel / carburising steel (optional)
Heat treatment	Quenched & tempered, 58–64 HRC, dimensional stabilised
Standards	GB/T 307 / ISO 492 / JB-T (per product)

Request a Quote WhatsApp

Series note: Line contact between rollers and raceways gives far higher radial capacity and rigidity than same-size ball bearings, with separable rings for easy mounting. The range covers single row (NU/…

Main Specifications

Sample of common models (20 models in total — contact us for the full catalogue)

基本尺寸mm							基本额定载荷KN		Max.转速r/min		安装相关尺寸mm
d	D	B	rsmin	r1smin	F	E	Cr	Cor	Grease	Oil	da(min)	da(max)	db(min)	Da(max)	Da(min)	ra(max)	rb(max)
25	52	15	1	0.6	31.5	-	28.6	24	11000	14000	29	30	36	47	-	1	0.7
25	52	15	1	0.6	31.5	-	27.2	26	11000	14000	29	30	36	47	-	1	0.6
25	52	15	1	0.6	31.5	-	29	31	11000	14000	29	30	36	47	-	1	0.6
25	52	18	1	1	31.5	-	35	34.5	11000	14000	30.6	-	36	46.4	-	1	1
25	62	17	1.1	1.1	34	-	41.8	37	9500	12000	31.5	32	40	55.5	-	1	1
25	62	17	1.1	1.1	34	-	41	41	9500	12000	31.5	32	40	55.5	-	1	1
25	62	17	1.1	1.1	34	-	41.8	37	9500	12000	31.5	-	40	55.5	-	1	1
25	62	24	1.1	1.1	35	-	53.4	49	9500	12000	31.5	32	40	55.5	-	1	1
30	55	13	1	0.6	36.5	-	18.2	18	12000	15000	34	35	38	50	-	1	0.6
30	55	13	1	0.6	36.5	-	20	23	12000	15000	34	35	38	50	-	1	0.6

Single Row Cylindrical Roller Bearings

Single Row Cylindrical Roller Bearings

Main Specifications

Related Products

Double Row Cylindrical Roller Bearings

Four Row Cylindrical Roller Bearings