ROTOLIN MR
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MR的尺寸和规格 |
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公制 |
mm |
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Bearing Ref |
B |
D |
L +.00 |
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Shaft Dia |
Bearing O.D. |
-0.13 |
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MR 16-28 |
16 |
28 |
29 |
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MR 20-32 |
20 |
32 |
34 |
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MR 25-39 |
25 |
39 |
38 |
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MR 32-46 |
32 |
46 |
49 |
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MR 40-55 |
40 |
55 |
57 |
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MR 50 - 70 |
50 |
70 |
72 |
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英制 |
英寸 |
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Bearing Ref
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B Shaft Dia |
D Bearing O.D. |
L+.000 -.005 |
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MR 500 - 875 |
0.5 |
0.875 |
0.937 |
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MR 625 -1000 |
0.625 |
1 |
1.125 |
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MR 750 -1250 |
0.75 |
1.25 |
1.312 |
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MR 875 -1500 |
0.875 |
1.5 |
1.5 |
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MR 1000 -1625 |
1 |
1.625 |
1.75 |
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MR 1125 -1750 |
1.125 |
1.75 |
2 |
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MR 1250 -1875 |
1.25 |
1.875 |
2.25 |
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MR 1500 -2125 |
1.5 |
2.125 |
2.5 |
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MR 1750 -2625 |
1.75 |
2.625 |
2.875 |
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MR 2000 -2875 |
2 |
2.875 |
3.187 |
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轴承参考表示类型的轴承，轴径和外径。 |
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MR的工程[技术]数据，技术规范
系列“MR”轴承支撑纯径向载荷必须用球和轴之间的过盈配合。在这样的应用中，
轴必须作出的尺寸和公差如下。外球比赛是535 A99钢。轴要硬化至少60 HRC和至少0.25nm。
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MR轴承和外壳的公差配合 |
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Seal O.D. |
Housing |
Shaft |
Pre Load Interference Fit ‡ |
Eccentricity O.D. to Bore |
Maximum R.P.M. |
Basic Capacity |
Static Capacity |
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A |
Dh* |
Bs |
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Min |
Max |
KN |
KN |
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25.4 |
28 |
0.007 |
16 |
+.000 |
0.002 |
0.012 |
0.007 |
13,000 |
1.5 |
1.34 |
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-.005 |
-0.005 |
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29.36 |
32 |
0.01 |
20 |
0 |
0.002 |
0.012 |
0.01 |
12,000 |
1.94 |
1.91 |
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-.005 |
-.005 |
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36.5 |
39 |
0.013 |
25 |
0 |
0.002 |
0.012 |
0.01 |
10,000 |
2.45 |
2.24 |
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-.005 |
-.005 |
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42.85 |
46 |
0.013 |
32 |
0 |
0.002 |
0.012 |
0.01 |
8,000 |
3.63 |
4.18 |
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-.005 |
-.005 |
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51.81 |
55 |
0.013 |
40 |
0 |
0.002 |
0.012 |
0.01 |
7,000 |
4.41 |
5.37 |
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-.005 |
-.005 |
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63.5 |
70 |
0.013 |
50 |
0 |
0.002 |
0.012 |
0.01 |
5,000 |
6.91 |
9.34 |
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-.005 |
-.005 |
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Seal O.D. |
Housing |
Shaft |
Preload Interference Fit ‡ |
EccentricityO.D to Bore |
Maximum |
Basic |
Static |
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A |
Dh* |
Bs |
RPM |
Capacity |
Capacity |
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Min |
Max |
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Lbf |
lbf |
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0.875 |
0.875 |
0.0003 |
0.5 |
0 |
0.0001 |
0.0005 |
0.0003 |
14,000 |
230 |
158 |
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-0.0002 |
-0.0002 |
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1 |
1 |
0.0003 |
0.625 |
0 |
0.0001 |
0.0005 |
0.0003 |
13,000 |
352 |
302 |
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-0.0002 |
-.0002 |
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1.125 |
1.25 |
0.0004 |
0.75 |
0 |
0.0001 |
0.0005 |
0.0004 |
12,000 |
440 |
430 |
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-.0002 |
-.0002 |
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1.312 |
1.5 |
0.0004 |
0.875 |
0 |
0.0001 |
0.0005 |
0.0004 |
11,000 |
562 |
503 |
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-.0002 |
-.0002 |
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1.437 |
1.625 |
0.0004 |
1 |
0 |
0.0001 |
0.0005 |
0.0004 |
10,000 |
688 |
692 |
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-.0002 |
-.0002 |
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1.562 |
1.75 |
0.0004 |
1.125 |
0 |
0.0001 |
0.0005 |
0.0004 |
9,000 |
814 |
907 |
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-.0002 |
-.0002 |
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1.687 |
1.875 |
0.0005 |
1.25 |
0 |
0.0001 |
0.0005 |
0.0004 |
8,000 |
967 |
1195 |
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-.0002 |
-.0002 |
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1.937 |
2.125 |
0.0005 |
1.5 |
0 |
0.0001 |
0.0005 |
0.0004 |
7,000 |
1147 |
1612 |
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-.0002 |
-.0002 |
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2.312 |
2.625 |
0.0005 |
1.75 |
0 |
0.0001 |
0.0005 |
0.0004 |
6,000 |
2185 |
2978 |
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-.0002 |
-.0002 |
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2.562 |
2.875 |
0.0005 |
2 |
0 |
0.0001 |
0.0005 |
0.0004 |
5,000 |
2490 |
3733 |
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-.0002 |
-.0002 |
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所有轴承均以防锈油供应和使用前应清洁和润滑。质量好的介质油和轻球轴承润滑脂，具有更大的表面粘结的优点。高等级的光油将允许
更高的运行速度和更高的灵敏度的运动。最大负荷条件下工作的温度不应超过120°C虽然轴承安全运行在稍高的温度下降低负载条件下，
用专用润滑油。连续高温作业，硅脂应采用合适的等级。