Open Four Point Contact Ball Bearings

Open Four Point Contact Thin Ball Bearing

Thin-section four-point contact bearing
is the ideal choice for supporting moment heavy pressure. It successfully satisfies the four points contact between raceway and steel ball in order to support moment load and reversing axial load. Although it can be applied in light load.

The parameter as follows:

KAA SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

KAA10XL0
KAA15XL0
KAA17XL0

1.000
1.500
1.750

1.375
1.875
2.125

0.1875
0.1875
0.1875

1.140
1.640
1.890

1.235
1.735
1.985

1.274
1.774
2.024

340
480
530

150
200
210

970
1,380
1,520

450
560
600

0.025
0.038
0.045

KA SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

KA020XP0
KA025XP0
KA030XP0
KA035XP0
KA040XP0
KA042XP0
KA045XP0
KA047XP0
KA050XP0
KA055XP0
KA060XP0
KA065XP0
KA070XP0
KA075XP0
*KA080XP0

2.000
2.500
3.000
3.500
4.000
4.250
4.500
4.750
5.000
5.500
6.000
6.500
7.000
7.500
8.000

2.500
3.000
3.500
4.000
4.500
4.750
5.000
5.250
5.500
6.000
6.500
7.000
7.500
8.000
8.500

0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25

2.186
2.686
3.186
3.686
4.186
4.436
4.686
4.936
5.186
5.686
6.186
6.686
7.186
7.686
8.186

2.314
2.814
3.314
3.814
4.314
4.564
4.814
5.064
5.314
5.814
6.314
6.814
7.314
7.814
8.314

2.369
2.869
3.367
3.867
4.367
4.615
4.865
5.115
5.365
5.863 6.363
6.861
7.361
7.861
8.359

790
960
1,140
1,310
1,490
1,580
1,660
1,750
1,840
2,020
2,190
2,370
2,540
2,720
2,890

330
380
430
470
510
530
550
570
590
620
660
690
730
760
790

2,280
2,780
3,290
3,790
4,300
4,550
4,810
5,060
5,310
5,820
6,320
6,830
7,340
7,840
8,350

960
1,100
1,230
1,350
1,470
1,530
1,580
1,640
1,690
1,800
1,900
2,000
2,100
2,190
2,280

0.10
0.12
0.14
0.17
0.19
0.20
0.21
0.22
0.23
0.25
0.28
0.30
0.32
0.34
0.36

*KA090XP0
*KA100XP0
*KA110XP0
*KA120XP0

9.000
10.000
11.000
12.000

9.500
 10.500
 11.500
 12.500

0.25
0.25
0.25
0.25

9.186
10.186
11.186
12.186

9.314
10.314
11.314
12.314

9.357
10.355
11.353
12.349

3,240
3,590
3,940
4,290

850
910
970
1,030

9,360
10,370
11,380
12,390

2,470
2,640
2,810
2,970

0.41
0.45
0.50
0.54

KB SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

KB020XP0
KB025XP0
KB030XP0
KB035XP0
KB040XP0

2.000
2.500
3.000
3.500
4.000

2.625
3.125
3.625
4.125
4.625

0.3125
0.3125
0.3125
0.3125
0.3125

2.231
2.731
3.231
3.731
4.231

2.393
2.893
3.393
3.893
4.393

2.464
2.964
3.462
3.962
4.460

1,090
1,340
1,550
1,790
2,040

480
550
610
670
730

3,150
3,860
4,470
5,180
5,890

1,380
1,590
1,750
1,930
2,100

0.15
0.19
0.22
0.27
0.30

*KB042XP0
*KB045XP0
*KB047XP0
*KB050XP0
*KB055XP0

4.250
4.500
4.750
5.000
5.500

4.875
5.125
5.375
5.625
6.125

0.3125
0.3125
0.3125
0.3125
0.3125

4.481
4.731
4.981
5.231
5.731

4.643
4.893
5.143
5.393
5.893

4.710
 4.960
 5.210
 5.460
 5.958

2,150
2,250
2,390
2,500
2,740

750
780
810
830
890

6,200
6,500
6,910
7,210
7,920

2,170
2,240
2,340
2,410
2,560

0.31
0.34
0.35
0.37
0.40

*KB060XP0
*KB065XP0
*KB070XP0
*KB075XP0
*KB080XP0

6.000
6.500
7.000
7.500
8.000

6.625
7.125
7.625
 8.125
 8.625

0.3125
0.3125
0.3125
0.3125
0.3125

6.231
6.731
7.231
7.731
8.231

6.393
 6.893
 7.393
 7.893
 8.393

6.458
6.958
7.456
7.955
8.453

2,990
3,200
3,450
3,700
3,940

940
 980
1,030
1,080
1,130

8,630
9,240
9,960
10,670
11,380

2,710
2,840
2,980
3,120
3,260

0.44
0.47
0.50
0.54
0.57

KB090XP0
*KB100XP0
*KB110XP0
*KB120XP0
*KB140XP0

9.000
10.000
11.000
12.000
14.000

9.625
10.625
11.625
12.625
14.625

0.3125
0.3125
0.3125
0.3125
0.3125

9.231
10.231
11.231
12.231
14.231

9.393
10.393
11.393
12.393
14.393

9.451
10.449
11.447
12.445
14.439

4,400
4,890
5,350
5,840
6,760

1,220
1,300
1,380
1,470
1,620

12,700
 14,120
 15,440
 16,860
 19,500

3,510
3,760
4,000
4,240
4,670

0.64
0.71
0.78
0.85
0.98

*KB160XP0
*KB180XP0
*KB200XP0

16.000
18.000
20.000

16.625
 18.625
 20.625

0.3125
0.3125
0.3125

16.231
18.231
20.231

16.393
18.393
20.393

16.433
18.425
20.416

7,710
8,660
9,610

1,770
1,910
2,050

22,250
24,990
27,730

5,100
5,510
5,900

1.12
1.26
1.40

KC SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

KC040XP0
*KC042XP0
 KC045XP0
*KC047XP0
 KC050XP0

4.000
4.250
4.500
4.750
5.000

4.750
5.000
5.250
5.500
5.750

0.375
0.375
0.375
0.375
0.375

4.277
 4.527
 4.777
 5.027
 5.277

4.473
 4.723
 4.973
 5.223
 5.473

4.554
 4.804
 5.052
 5.302
 5.552

2,550
2,710
2,860
3,020
3,180

960
1,000
1,040
1,070
1,110

7,360
7,820
8,270
8,720
9,170

2,770
2,880
2,990
3,100
3,200

0.44
0.46
0.49
0.51
0.54

*KC055XP0
KC060XP0
*KC065XP0
KC070XP0
*KC075XP0

5.500
6.000
6.500
7.000
7.500

6.250
6.750
7.250
7.750
8.250

0.375
0.375
0.375
0.375
0.375

5.777
6.277
6.777
7.277
7.777

5.973
6.473
6.973
7.473
7.973

6.052
6.550
7.050
7.550
8.048

3,440
 3,750
 4,060
 4,320
 4,630

1,170
1,240
1,310
1,360
1,430

9,920
10,820
11,720
12,470
13,380

3,370
3,580
3,770
3,930
4,120

0.58
0.64
0.68
0.74
0.78

*KC080XP0
*KC090XP0
*KC100XP0
*KC110XP0
*KC120XP0

8.000
 9.000
10.000
11.000
12.000

8.750
9.750
 10.750
 11.750
 12.750

0.375
0.375
0.375
0.375
0.375

8.277
9.277
10.277
11.277
12.277

8.473
9.473
10.473
11.473
12.473

8.548
9.546
10.544
11.542
12.540

4,950
 5,520
 6,140
 6,720
 7,290

1,490
 1,600
 1,720
 1,830
 1,930

14,280
 15,930
 17,730
 19,390
 21,040

4,300
4,630
4,970
5,280
5,570

0.84
0.98
1.04
1.14
1.23

*KC140XP0
*KC160XP0
*KC180XP0
*KC200XP0
*KC250XP0

14.000
16.000
18.000
20.000
25.000

14.750
16.750
18.750
 20.750
 25.750

0.375
0.375
0.375
0.375
0.375

14.277
16.277
18.277
20.277
25.277

14.473
16.473
18.473
20.473
25.473

14.535
16.529
18.523
20.517
25.500

8,490
9,680
10,880
12,030
14,900

2,140
2,330
2,520
2,690
3,120

24,500
27,950
31,410
34,720
43,280

6,170
6,730
7,280
7,780
9,010

1.43
1.63
1.83
2.03
2.52

*KC300XP0

30.000

30.750

0.375

30.277

30.473

30.484

17,960

3,520

51,850

10,160

3.02

KD SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

 KD040XP0
 KD042XP0
KD045XP0
KD047XP0
KD050XP0

4.000
4.250
4.500
4.750
5.000

5.000
5.250
5.500
5.750
6.000

0.5
0.5
0.5
0.5
0.5

4.370
4.620
4.870
5.120
5.370

4.630
4.880
5.130
5.380
5.630

4.741
4.991
5.241
5.490
5.740

3,550
3,750
3,950
4,150
4,340

1,480
1,530
1,580
1,640
1,690

10,260
 10,830
 11,400
 11,970
 12,540

4,260
4,420
 4,570
 4,720
 4,870

0.80
0.84
0.88
0.93
0.98

KD055XP0
KD060XP0
KD065XP0
KD070XP0
*KD075XP0

5.500
6.000
6.500
7.000
7.500

6.500
7.000
7.500
8.000
8.500

0.5
0.5
0.5
0.5
0.5

5.870
6.370
6.870
7.370
7.870

6.130
6.630
7.130
7.630
8.130

6.238
6.738
7.236
7.736
8.236

4,740
5,130
5,530
5,920
6,320

1,790
1,890
1,980
2,070
2,170

13,680
 14,820
 15,960
 17,100
 18,240

5,160
 5,440
 5,720
 5,990
 6,250

1.06
1.15
1.24
1.33
1.42

KD080XP0
KD090XP0
*KD100XP0
*KD110XP0
*KD120XP0

8.000
9.000
10.000
11.000
12.000

9.000
10.000
11.000
12.000
13.000

0.5
0.5
0.5
0.5
0.5

8.370
9.370
10.370
11.370
12.370

8.630
9.630
10.630
11.630
12.630

8.734
 9.732
10.732
11.730
12.728

6,710
7,500
8,290
9,080
9,870

2,260
2,430
2,600
2,760
2,920

19,380
 21,660
 23,940
 26,220
 28,500

6,510
 7,010
 7,500
 7,960
 8,420

1.52
1.69
1.87
2.05
2.23

*KD140XP0
*KD160XP0
*KD180XP0
*KD200XP0
*KD250XP0

14.000
16.000
18.000
20.000
25.000

15.000
17.000
19.000
21.000
26.000

0.5
0.5
0.5
0.5
0.5

14.370
16.370
18.370
20.370
25.370

14.630
16.630
18.630
20.630
25.630

14.724
16.718
18.712
20.705
25.688

11,450
13,030
14,610
16,190
20,140

3,220
 3,510
 3,790
 4,060
 4,690

33,060
 37,620
 42,180
 46,740
 58,140

9,290
10,130
10,930
11,710
13,540

2.57
2.93
3.29
3.65
4.54

*KD300XP0

30.000

31.000

0.5

30.370

30.630

30.672

24,090

5,290

69,540

15,260

5.44

KF SERIES

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

*KF040XP0
*KF042XP0
*KF045XP0
 KF047XP0
*KF050XP0

4.000
4.250
4.500
4.750
5.000

5.500
5.750
6.000
6.250
6.500

0.75
0.75
0.75
0.75
0.75

4.555
 4.805
 5.060
 5.305
 5.555

4.945
5.195
5.445
5.695
5.945

5.115
5.365
5.615
5.865
6.115

6,350
6,600
7,090
7,330
7,570

2,920
2,990
3,140
3,210
3,280

18,340
19,050
20,460
21,160
21,870

8,420
8,630
9,050
9,260
9,460

1.92
2.04
2.14
2.26
2.37

KF055XP0
*KF060XP0
 KF065XP0
*KF070XP0
*KF075XP0

5.500
6.000
6.500
7.000
7.500

7.000
7.500
8.000
8.500
9.000

0.75
0.75
0.75
0.75
0.75

6.055
 6.555
 7.055
 7.555
 8.055

6.445
6.945
7.445
7.945
8.445

6.613
7.113
7.613
8.113
8.610

8,310
9,040
9,770
10,510
11,000

3,490
3,690
3,890
4,080
4,200

23,980
26,100
28,220
30,330
31,740

10,060
10,650
11,220
11,770
12,130

2.59
2.72
2.94
3.16
3.39

  KF080XP0
*KF090XP0
*KF100XP0
*KF110XP0
 KF120XP0

8.000
9.000
10.000
11.000
12.000

9.500
10.500
11.500
12.500
13.500

0.75
0.75
0.75
0.75
0.75

8.555
 9.555
10.555
11.555
12.555

8.945
9.945
10.945
11.945
12.945

9.110
10.108
11.106
12.106
13.104

11,730
13,190
14,420
15,880
17,100

4,390
4,750
5,030
5,370
5,640

33,860
38,090
41,620
45,850
49,380

12,670
13,700
14,530
15,500
16,290

3.61
3.95
4.40
4.75
5.20

*KF140XP0
 *KF160XP0
 *KF180XP0
 *KF200XP0
 *KF250XP0

14.000
16.000
18.000
20.000
25.000

15.500
17.500
19.500
21.500
26.500

0.75
0.75
0.75
0.75
0.75

14.555
16.555
18.555
20.555
25.555

14.945
16.945
18.945
20.945
25.945

15.102
17.098
19.096
21.092
26.085

19,790
22,480
25,410
28,100
34,700

6,220
6,770
7,350
7,860
9,040

57,140
64,890
73,360
81,120
100,200

17,950
19,540
21,210
22,680
26,100

5.76
6.78
7.67
8.47
10.50

*KF300XP0
 *KF350XP0
 *KF400XP0

30.000
35.000
40.000

31.500
 36.500
 41.500

0.75
0.75
0.75

30.555
35.555
40.555

30.945
35.945
40.945

31.075
36.064
41.054

41,540
48,380
55,220

10,190
11,290
12,330

119,900
139,700
159,400

29,430
32,580
35,580

12.50
14.60
16.60

KG Series

Bearing
Number

Dimensions in Inches

Capacities in Pounds

Weight
 in
 Pounds

Bore

Outside
Diameter

width

Land
Dia. L1

Land
Dia. L2

C’Bore
Dia. L3

Radial

Thrust

Static

Dyn.

Static

Dyn.

*KG040XP0
*KG042XP0
*KG045XP0
*KG047XP0
*KG050XP0

4.000
 4.250
 4.500
 4.750
 5.000

6.000
6.250
6.500
6.750
7.000

0.8
0.8
0.8
0.8
0.8

4.742
4.992
5.242
5.492
5.742

5.258
5.508
5.758
6.008 6.258

5.491
5.741
5.989
6.239
6.489

9,480
9,950
10,430
10,900
11,370

4,720
4,880
5,030
5,180
5,330

27,360
28,730
30,100
31,460
32,830

13,630
14,090
14,530
14,970
15,400

3.61
3.83
3.95
4.17
4.42

*KG055XP0
 KG060XP0
*KG065XP0
*KG070XP0
 KG075XP0

5.500
 6.000
 6.500
 7.000
 7.500

7.500
8.000
8.500
9.000
 9.500

0.8
0.8
0.8
0.8
0.8

6.242
6.742
7.242
7.742
8.242

6.758
7.258
7.758 8.258
8.758

6.989
7.489
7.987
8.487
8.987

12,320
13,270
14,220
15,160
16, ,110

5,630
5,910
6,190
6,460
6,730

35,570
38,300
41,040
43,780
46,510

16,240
17,060
17,870
18,650
19,420

4.73
5.07
5.41
5.87
6.20

KG080XP0
KG090XP0
*KG100XP0
*KG110XP0
KG120XP0

8.000
9.000
10.000
11.000
12.000

10.000
11.000
12.000
13.000
14.000

0.8
0.8
0.8
0.8
0.8

8.742
 9.742
10.742
11.742
12.742

9.258
10.258
11.258
12.258
13.258

9.485
10.485
11.483
12.481
13.481

17,060
18,960
20,850
22,750
24,640

6,990
 7,500
 7,990
 8,470
 8,930

49,250
 54,720
 60,190
 65,660
 71,140

20,180
21,640
23,060
24,440
25,780

6.54
7.22
8.00
8.68
9.47

KG140XP0
KG160XP0
*KG180XP0
*KG200XP0
*KG250XP0

14.000
16.000
18.000
20.000
25.000

16.000
18.000
20.000
22.000
27.000

0.8
0.8
0.8
0.8
0.8

14.742
16.742
18.742
20.742
25.742

15.258
17.258
19.258
21.258
26.258

15.478
17.474
19.472
21.468
26.461

28,430
32,220
36,020
39,810
49,280

9,820
10,680
11,500
12,300
14,180

82,080
 93,020
104,000
114,900
142,300

28,360
30,830
33,200
35,490
40,920

10.90
12.40
13.80
15.20
18.80

*KG300XP0
*KG350XP0
*KG400XP0

30.000
35.000
40.000

32.000
37.000
42.000

0.8
0.8
0.8

30.742
35.742
40.472

31.258
36.258
41.258

31.451
36.440
41.430

58,760
68,240
77,720

15,940
17,610
19,210

169,600
197,000
224,400

46,020
50,840
55,440

22.50
26.20
29.80


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