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miniature thrust bearings

带沟道平面推力球轴承

Miniature thrust bearings must be kept in matched sets.
The bore (d dimensions) of one washer in the set will conform to the data in the above charts.
The bore (d dimension) of the mating washer will be roughly .007" larger, because it is a clearance hole for the shaft.

无沟道平面推力球轴承

Miniature thrust bearings (or axial bearings) are available with bore sizes as small as 2mm. Miniature thrust bearings are normally supplied in SAE52100 chrome steel with brass retainers but can also be manufactured in stainless steel (possibly subject to minimum requirements). Miniature thrust bearings can withstand axial or thrust loads only. There are separate types of miniature thrust bearing with either flat washers or washers incorporating a groove or raceway for heavier loads. The grooved type have one washer with a slightly larger bore to allow it to locate in the housing while the other washer has a smaller OD to locate on the shaft.

Type

d

D

d1

D1

H
Load RatingCr(N)
Load Rating Cor(N)
Max. Speed
steel ball
rpm
Grease
Oil
piece
diameter
3
8
3.2
7.8
3.5
600
480
11000
15000
6
1.588
4
9
4.2
8.8
4
800
520
8000
12000
6
1.588
4
10
4.2
9.8
4
658
580
6000
10000
6
1.588
5
10
5.2
9.8
4
950
830
5100
8100
7
1.588
5
11
5.2
10.8
4.5
988
880
5000
8000
7
1.588
5
12
5.2
11.8
4
988
880
5000
8000
7
1.588
6
12
6.2
11.8
4.5
1600
1255
5000
7000
8
2
6
13
6.2
12.8
5
1600
1255
5000
7000
8
2
6
14
6.25
13.8
5
1800
1588
4000
7000
8
2.381
7
13
7.2
16.8
4.5
1422
1255
4000
7000
9
2
7
15
7.2
14.8
5
2200
2000
3600
7100
8
2.5
7
17
7.2
16.8
6
2600
2256
3500
7000
8
2.381
8
16
8.2
15.8
5
2500
3000
4000
8000
9
3
8
19
8.2
18.8
7
3452
3000
3000
5000
8
3.175
9
20
9.2
19.8
7
3356
2999
2500
4500
8
3.175
10
18
10.2
17.8
5.5
2230
2721
2500
4500
10
2.381

 

 

Type
d
D
d1
D1
H
Load RatingCr(N)
Load Rating Cor(N)
steel ball
piece
diameter
2
6
2
6
3
117
83
6
1
F2X-7
2.5
7
2.5
7
3.5
156
117
6
1.2
3
8
3.2
7.8
3.5
600
480
6
1.588
4
9
4.2
8.8
4
800
520
6
1.588
4
10
4.2
9.8
4
658
580
6
1.588
5
11
5.2
10.8
4.5
988
880
7
1.588
6
12
6.2
11.8
4.5
1600
1255
8
2
7
15
7.2
14.8
5
2200
2000
8
2.5
8
16
8.2
15.8
5
2500
3000
9
3
9
17
9.2
16.8
5
578
627
10
2.381
10
18
10.2
17.8
5.5
2230
2721
10
2.381


 


 
   

 
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