Spherical Roller Bearings-Shandong Ante Bearing Technology Co., LTD

The difference between high-speed bearings and ordinary bearings

2025-07-07

Model	d	D	B	Cr	Cor	Reference speed	Extreme speed
21305 CC	25 mm	62 mm	17 mm	49.1 N	41.5 N	-	12000
21306 CC	30 mm	72 mm	19 mm	65.7 N	61 N	-	10000
21306 CCK	25 mm	72 mm	19 mm	65.7 N	61 N	-	10000
21306 CCK	30 mm	72 mm	19 mm	65.7 N	61 N	-	10000
21307 CC	35 mm	80 mm	21 mm	79.2 N	72 N	-	9500
21307 CCK	30 mm	80 mm	21 mm	79.2 N	72 N	-	9500
21307 CCK	35 mm	80 mm	21 mm	79.2 N	72 N	-	9500
21308 CCKW33	35 mm	90 mm	23 mm	107 N	108 N	-	9500
21308 CCKW33	35 mm	90 mm	23 mm	107 N	108 N	-	9500
21308 CCKW33	40 mm	90 mm	23 mm	107 N	108 N	-	9500
21308 CCW33	40 mm	90 mm	23 mm	107 N	108 N	-	9500
21309 CCKW33	40 mm	100 mm	25 mm	129 N	127 N	-	8500
21309 CCKW33	40 mm	100 mm	25 mm	129 N	127 N	-	8500
21309 CCKW33	45 mm	100 mm	25 mm	129 N	127 N	-	8500
21309 CCW33	45 mm	100 mm	25 mm	129 N	127 N	-	8500
21310 CCKW33	45 mm	110 mm	27 mm	159 N	163 N	-	7500
21310 CCKW33	45 mm	110 mm	27 mm	159 N	163 N	-	7500
21310 CCKW33	50 mm	110 mm	27 mm	159 N	163 N	-	7500
21310 CCW33	50 mm	110 mm	27 mm	159 N	163 N	-	7500
21311 CCKW33	50 mm	120 mm	29 mm	159 N	163 N	-	7500

Model

d

D

B

Cr

Cor

Reference speed

Extreme speed

21305 CC

25 mm

62 mm

17 mm

49.1 N

41.5 N

12000

21306 CC

30 mm

72 mm

19 mm

65.7 N

61 N

10000

21306 CCK

25 mm

72 mm

19 mm

65.7 N

61 N

10000

21306 CCK

30 mm

72 mm

19 mm

65.7 N

61 N

10000

21307 CC

35 mm

80 mm

21 mm

79.2 N

72 N

9500

21307 CCK

30 mm

80 mm

21 mm

79.2 N

72 N

9500

21307 CCK

35 mm

80 mm

21 mm

79.2 N

72 N

9500

21308 CCKW33

35 mm

90 mm

23 mm

107 N

108 N

9500

21308 CCKW33

35 mm

90 mm

23 mm

107 N

108 N

9500

21308 CCKW33

40 mm

90 mm

23 mm

107 N

108 N

9500

21308 CCW33

40 mm

90 mm

23 mm

107 N

108 N

9500

21309 CCKW33

40 mm

100 mm

25 mm

129 N

127 N

8500

21309 CCKW33

40 mm

100 mm

25 mm

129 N

127 N

8500

21309 CCKW33

45 mm

100 mm

25 mm

129 N

127 N

8500

21309 CCW33

45 mm

100 mm

25 mm

129 N

127 N

8500

21310 CCKW33

45 mm

110 mm

27 mm

159 N

163 N

7500

21310 CCKW33

45 mm

110 mm

27 mm

159 N

163 N

7500

21310 CCKW33

50 mm

110 mm

27 mm

159 N

163 N

7500

21310 CCW33

50 mm

110 mm

27 mm

159 N

163 N

7500

21311 CCKW33

50 mm

120 mm

29 mm

159 N

163 N

7500