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Product Details |
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Main shaft bearings Series B70, B70/HQ1 |
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| the bearing of main shaft of various kinds of ultra precision machine tools, Its leading product 7000 series angle is exposed to the ball bearing with its high rotational speed, Ultraprecision rising by high rigidity, low temperature, low noise,etc. superior performance become domestic the masses of travelling trader first-selected export America and Europe and Southeast Asia alreadying. |
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Boundary dimensions |
α =15° |
Bearing
designations |
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Load ratings |
Limiting speeds |
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d D B r smin r 1simn |
Cr Cor |
Grease Oil |
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mm |
kN |
r/min |
10 26 8 0.30 0.15
26 8 0.30 0.15 |
3.0 1.2
3.0 1.2 |
80000 130000
100000 160000 |
B7000C
B7000 C/HQ1 |
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12 28 8 0.30 0.15
28 8 0.30 0.15 |
3.3 1.3
3.3 1.3 |
70000 110000
85000 130000 |
B7001C
B7001 C/HQ1 |
15 32 9 0.30 0.15
32 9 0.30 0.15 |
3.6 1.6
3.6 1.6 |
60000 90000
75000 110000 |
B7002C
B7002 C/HQ1 |
17 35 10 0.30 0.15
35 10 0.30 0.15
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3.9 1.7
3.9 1.7 |
53000 80000
67000 100000 |
B7003C
B7003 C/HQ1 |
20 42 12 0.60 0.15
42 12 0.60 0.15 |
5.7 2.7
5.7 2.7 |
45000 67000
56000 85000 |
B7004C
B7004 C/HQ1 |
25 47 12 0.60 0.15
47 12 0.60 0.15
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7.4 3.8
7.4 3.8 |
38000 56000
45000 67000 |
B7005C
B7005 C/HQ1 |
30 55 13 1.00 0.30
55 13 1.00 0.30
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9.1 4.8
9.1 4.8 |
32000 48000
38000 56000 |
B7006C
B7006 C/HQ1 |
35 62 14 1.00 0.30
62 14 1.00 0.30
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10.9 6.0
10.9 6.0 |
28000 43000
34000 53000 |
B7007C
B7007 C/HQ1 |
40 68 15 1.00 0.30
68 15 1.00 0.30
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12.9 7.4
12.9 7.4
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26000 40000
32000 48000 |
B7008C
B7008 C/HQ1 |
45 75 16 1.00 0.30
75 16 1.00 0.30
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15.0 9.0
15.0 9.0 |
24000 38000
30000 45000 |
B7009C
B7009 C/HQ1 |
50 80 16 1.00 0.30
80 16 1.00 0.30
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22000 36000
26000 43000 |
B7010C
B7010 C/HQ1 |
55 90 18 1.10 0.60
90 18 1.10 0.60
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19.9 12.9
19.9 12.9 |
19000 32000
22000 38000 |
B7011C
B7011 C/HQ1 |
60 95 18 1.10 0.60
95 18 1.10 0.60
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20.4 13.6
20.4 13.6
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18000 30000
21000 36000 |
B7012C
B7012 C/HQ1 | | |
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