model

open	MF137
With dust cover	MF137ZZ

key dimension (mm)

d	7
D	13
B	3
B1	4
r min.	0.15
r1 min.	0.15

specified load (N)

Cr	0.882
Cor	0.343

Limit of rotation speed (rpm)

Grease Open type (ZZ, ZZX)	40000
Oil Open Type (Z, ZX)	48000

Flange size(mm)

D1	14.2
D2	14.6
C1	0.6
C2	0.8

Shoulder retaining size (mm)

da min.
ra max.

weight(g)

Approx