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  1. NSK Deep Groove Ball Bearing
MR31
Basic Parameters
MR31
model
MiniatureDeep Groove Ball Bearing1
type
Overall dimensions
1
d
3
D
1.5
B
—
B1
0.05
r(1) min
—
Minimum r1 chamfer
rated load
80
Cr
23
Cor
8
Cr
2.5
Cor
Maximum speed
130 000
Grease
150 000
Oil
Bearing designation
MR 31
Open-type
—
Shielded dust cover type
— —
Sealed Seal Ring Type
installation dimensions
1.4
da Min
—
db Max
02.6
Da Max
—
.
0.05
ra Max
—
b Max
Mass weight(kg)
0.04
Open-type
—
Shielded dust cover
NSKtypeImage
Namepic
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