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QJ311

Four-Point-Contact Ball Bearings

Four-Point-Contact Ball Bearings

Product Information

Designations

QJ311

Boundary Dimensions

d	55	mm
D	120	mm
B	29	mm
r (min.）	2	mm

Basic Load Ratings

C_r	130000	N	Basic dynamic load rating
C_0r	187000	N	Basic static load rating

Speeds

Grease	4500	min-1
Oil	6300	min-1

Dimensions

a0

61.3

mm

Abutment and Fillet Dimensions

da (min.)	65	mm
Da(max.)	110	mm
ra (max.)	2	mm

Calculation factors

Additional information

Mass

(approx.)

1.75

kg