6221NR

Deep groove ball bearings - Single-row

Specifications
(Boundary dimensions ...etc)

d
105 mm
D
190 mm
B
36 mm
r(min.)
2.1 mm
r1(min.)
0.5 mm
Basic load ratings : Cr
166 kN
Basic load ratings : C0r
105 kN
Fatigue load limit : Cu
5.70 kN
factor : f0
14.4
Limiting speeds(Grease lub.)
3300 min-1
Limiting speeds(Oil lub.)
3900 min-1
Dimensions of snap ring groove : D1(max.)
mm
Dimensions of snap ring groove : a(max.)
mm
Dimensions of snap ring groove : b(±0.05)
mm
Dimensions of snap ring groove : r0(max.)
mm
Dimensions of locating snap ring : D2(min.)
202.9 mm
Dimensions of locating snap ring : f(±0.05)
3.05 mm

Mounting dimensions

da(min.)
116 mm
Da(max.)
179 mm
Dx(min.)
205 mm
Cy(max.)
8.44 mm
ra(max.)
2 mm
rb(max.)
0.5 mm

Refer.

(Refer.)Mass
3.70 kg

Technical calculation for this product.

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