NF311

Cylindrical roller bearings - Single-row - NF

Specifications
(Boundary dimensions ...etc)

d
55 mm
D
120 mm
B
29 mm
r(min.)
2 mm
r1(min.)
2 mm
Fw
- mm
Ew
104.5 mm
Basic load ratings : Cr
138 kN
Basic load ratings : C0r
111 kN
Fatigue load limit : Cu
15.8 kN
Limiting speeds(Grease lub.)
5100 min-1
Limiting speeds(Oil lub.)
6800 min-1
sd1
- mm
B1
- mm
B2
- mm

Mounting dimensions

da(min.)
64 mm
db(min.)
- mm
db(max.)
- mm
dc(min.)
- mm
dd(min.)
- mm
Da(max.)
- mm
Db(max.)
111 mm
Db(min.)
107 mm
ra(max.)
2 mm
rb(max.)
2 mm

Refer.

(Refer.)Mass
1.46 kg

Technical calculation for this product.

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