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231/K series Spherical roller bearing
    231/K series Spherical roller bearing
Product Description:

 Spherical roller bearing 231/K series


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Boundary Dimension(mm)

Basic Load Rating(kN)

Limiting Speed
(rpm)
Mass
(Kg)
Part Number
d
D
B
rs min
Cr
Cor
Grease
Oil
Approx.
 
100
165
52
2
310
470
1,700
2,600
4.3
23120
100
165
52
2
310
470
1,700
2,600
4.16
23120K
100
165
52
2
310
470
1,700
2,600
4.16
23120KW33C3
100
165
52
2
310
470
1,700
2,600
4.3
23120W33C3
110
180
56
2
370
580
1,500
2,400
5.4
23122
110
180
56
2
370
580
1,500
2,400
5.22
23122K
110
180
56
2
370
580
1,500
2,400
5.22
23122KW33C3
110
180
56
2
370
580
1,500
2,400
5.4
23122W33C3
120
200
62
2
455
705
1,400
2,100
7.7
23124
120
200
62
2
455
705
1,400
2,100
7.46
23124K
120
200
62
2
455
705
1,400
2,100
7.46
23124KW33C3
120
200
62
2
455
705
1,400
2,100
7.7
23124W33C3
130
210
64
2
495
795
1,300
2,000
8.47
23126
130
210
64
2
495
795
1,300
2,000
8.2
23126K
130
210
64
2
495
795
1,300
2,000
8.2
23126KW33C3
130
210
64
2
495
795
1,300
2,000
8.47
23126W33C3
140
225
68
2.1
540
895
1,200
1,800
10.2
23128
140
225
68
2.1
540
895
1,200
1,800
9.86
23128K
140
225
68
2.1
540
895
1,200
1,800
9.86
23128KW33C3
140
225
68
2.1
540
895
1,200
1,800
10.2
23128W33C3
150
250
80
2.1
730
1,190
1,100
1,700
15.6
23130
150
250
80
2.1
730
1,190
1,100
1,700
15.1
23130K
150
250
80
2.1
730
1,190
1,100
1,700
15.1
23130KW33C3
150
250
80
2.1
730
1,190
1,100
1,700
15.6
23130W33C3
160
270
86
2.1
840
1,370
1,000
1,600
19.8
23132
160
270
86
2.1
840
1,370
1,000
1,600
19.2
23132K
160
270
86
2.1
840
1,370
1,000
1,600
19.2
23132KW33C3
160
270
86
2.1
840
1,370
1,000
1,600
19.8
23132W33C3
170
280
88
2.1
885
1,490
960
1,500
21.5
23134
170
280
88
2.1
885
1,490
960
1,500
20.8
23134K
170
280
88
2.1
885
1,490
960
1,500
20.8
23134KW33C3
170
280
88
2.1
885
1,490
960
1,500
21.5
23134W33C3
180
300
96
3
1,030
1,730
900
1,400
25.1
23136
180
300
96
3
1,030
1,730
900
1,400
24.2
23136K
180
300
96
3
1,030
1,730
900
1,400
24.2
23136KW33C3
180
300
96
3
1,030
1,730
900
1,400
25.1
23136W33C3
190
320
104
3
1,190
2,020
850
1,300
35.3
23138
190
320
104
3
1,190
2,020
850
1,300
34.2
23138K
190
320
104
3
1,190
2,020
850
1,300
34.2
23138KW33C3
190
320
104
3
1,190
2,020
850
1,300
35.3
23138W33C3
200
340
112
3
1,350
2,270
800
1,200
43.3
23140
200
340
112
3
1,350
2,270
800
1,200
42
23140K
200
340
112
3
1,350
2,270
800
1,200
42
23140KW33C3
200
340
112
3
1,350
2,270
800
1,200
43.3
23140W33C3
220
370
120
4
1,540
2,670
720
1,100
53.3
23144
220
370
120
4
1,540
2,670
720
1,100
51.6
23144K
220
370
120
4
1,540
2,670
720
1,100
51.6
23144KW33C3
220
370
120
4
1,540
2,670
720
1,100
53.3
23144W33C3
240
400
128
4
1,730
3,050
650
1,000
65.8
23148
240
400
128
4
1,730
3,050
650
1,000
63.8
23148K
240
400
128
4
1,730
3,050
650
1,000
63.8
23148KW33C3
240
400
128
4
1,730
3,050
650
1,000
65.8
23148W33C3
260
440
144
4
2,140
3,850
600
920
91.4
23152
260
440
144
4
2,140
3,850
600
920
88.6
23152K
260
440
144
4
2,140
3,850
600
920
88.6
23152KW33C3
260
440
144
4
2,140
3,850
600
920
91.4
23152W33C3
280
460
146
5
2,300
4,250
550
850
97.7
23156
280
460
146
5
2,300
4,250
550
850
94.6
23156K
280
460
146
5
2,300
4,250
550
850
94.6
23156KW33C3
280
460
146
5
2,300
4,250
550
850
97.7
23156W33C3
300
500
160
5
2,750
5,000
510
780
131
23160
300
500
160
5
2,750
5,000
510
780
127
23160K
300
500
160
5
2,750
5,000
510
780
127
23160KW33C3
300
500
160
5
2,750
5,000
510
780
131
23160W33C3