NF421

Cylindrical roller bearings - Single-row - NF

Specifications
(Boundary dimensions ...etc)

d
105 mm
D
260 mm
B
60 mm
r(min.)
4 mm
r1(min.)
4 mm
Fw
- mm
Ew
220.5 mm
Basic load ratings : Cr
581 kN
Basic load ratings : C0r
510 kN
Fatigue load limit : Cu
67.6 kN
Limiting speeds(Grease lub.)
2400 min-1
Limiting speeds(Oil lub.)
3100 min-1
sd1
- mm
B1
- mm
B2
- mm

Mounting dimensions

da(min.)
121 mm
db(min.)
- mm
db(max.)
- mm
dc(min.)
- mm
dd(min.)
- mm
Da(max.)
- mm
Db(max.)
244 mm
Db(min.)
223 mm
ra(max.)
3 mm
rb(max.)
3 mm

Refer.

(Refer.)Mass
19.3 kg

Technical calculation for this product.

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