| SKF 71904 CD/P4A 轴承 | SKF 71904 CD/P4A 轴承 销售和技术支持 |
SKF 71904 CD/P4A 轴承
上海斯将利传动机械有限公司是一家致力于高品质动力配件的公司。专业经营进口轴承，滚珠丝杠副，螺杆，导轨，工作台，精密主轴，滑块等传动部件，兼营动力配件。SKF 71904 CD/P4A 轴承 ，品牌众多，其中常用的滚珠丝杠副的品牌有NTN THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON SKF STAR THOMSON TSUBAKI 等。备有大量库存型号品种齐全，提供各种技术支持和产品替换服务，欢迎垂询。
,提供SKF 71904 CD/P4A 轴承 维修定做服务，同时提供和进口其它品牌替换服务-NSK THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON STAR THOMSON TSUBAKI 等
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Boundary dimensions |
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bearing internal diameter range |
d [mm] |
18-29 |
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bearing internal diameter |
d [mm] |
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bearing external diameter |
D [mm] |
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bearing width |
B [mm] |
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d1 |
[mm] |
25,4 |
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D1 |
[mm] |
31,6 |
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Abutment and fillet dimensions |
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r1, r2 |
[mm] |
0,3 |
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r3, r4 |
[mm] |
0,2 |
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contact angle |
%26alpha; [°] |
15 |
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a |
[mm] |
8 |
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da |
[mm] |
22 |
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Other bearing features |
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Db |
[mm] |
35,6 |
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Da |
[mm] |
35 |
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ra |
[mm] |
0,3 |
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rb |
[mm] |
0,2 |
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Seal |
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no |
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oil nozzle position |
dn [mm] |
26,8 |
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Speed rating with grease |
[1/min] |
43 000 |
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Speed rating with oil |
[1/min] |
63 000 |
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dynamic load rating |
C [N] |
6 050 |
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static load rating |
Co [N] |
3 200 |
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fatigue load limit |
Pu [N] |
137 |
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calculation factor |
[fo ] |
9,8 |
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Light preload |
Class A [N] |
25 |
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Medium preload |
Class B [N] |
50 |
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Heavy preload |
Class C [N] |
100 |
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mean diameter |
P [mm] |
28,5 |
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ball diameter |
dw [mm] |
4,76 |
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ball number |
[Z ] |
15 |
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Bearing materials |
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All-steel |
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Mass |
[kg] |
0,036 |
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