Spherical needle roller bearings

Product Introduction

The outer diameter of the JOJI self-aligning needle roller bearing is designed as a convex spherical surface. Two polymer seat rings with concave spherical surface design are combined in a stamped steel ring and mounted on the outer ring.

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Aperture d

mm

-

mm
Outer Diameter D

mm

-

mm
Width B

mm

-

mm
Model

Model	Basic Dimensions			Basic Load Rating		Rated Speed
				Dynamic	Static	Reference Speed	Limiting Speed
	F_w[mm]	D[mm]	C[mm]	C[kN]	C₀[kN]	[r/min]	[r/min]
RPNA 15/28	15.0	28.0	12.0	7.37	9.15	24000.0	28000.0
RPNA 18/32	18.0	32.0	16.0	12.8	17.6	22000.0	24000.0
RPNA 20/35	20.0	35.0	16.0	13.2	19.3	19000.0	22000.0
RPNA 25/42	25.0	42.0	20.0	19.0	32.5	16000.0	18000.0
RPNA 30/47	30.0	47.0	20.0	22.9	38.0	13000.0	15000.0
RPNA 35/52	35.0	52.0	20.0	24.6	45.0	11000.0	13000.0
RPNA 40/55	40.0	55.0	20.0	26.4	51.0	10000.0	11000.0
RPNA 45/62	45.0	62.0	20.0	27.5	57.0	9000.0	10000.0