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Bearing

SKF Single row deep groove ball bearing

Bearing

Designation

618/630 MA

21
SKF Single row deep groove ball bearing
ParameterSymbolValue
Bored
630 mm
24.8032 in
Outer diameterD
780 mm
30.7087 in
WidthB
69 mm
2.7165 in
Reference speed
1400 r/min
Limiting speed
1100 r/min
Mass
73 kg
160.9373 lb
Dynamic load ratingC
442 kN
99.3656 klbf
Static load ratingC0
965 kN
216.9407 klbf
Fatigue load limitPu
15.3 kN
3.4396 klbf
Inner ring outside diameterd1
678 mm
26.6929 in
Outer ring inside diameterD1
732 mm
28.8189 in
Inner ring recess diameterd2
-
-
Outer ring recess diameterD2
-
-
Chamfer dimensionr1 min.
4 mm
0.1575 in
Chamfer dimensionr2 min.
4 mm
0.1575 in
Shaft shoulder diameterda min.
645 mm
25.3937 in
Shaft shoulder diameterda max.
-
-
Housing shoulder diameterDa max.
765 mm
30.1181 in
Fillet radiusra max.
3 mm
0.1181 in
Minimum load factorkr
0.015
Calculation factorf0
17

Main information

Technical and reference information about the record

Brand
SKF
Category
Bearing
Product type
Single row deep groove ball bearing

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