IN'S Linear Ball Bearing
    Flanged Slide Bearing
   
SMF   SMK
SMT   KBF
KBK   SWF
SWK   SMF-W
SMK-W   KBF-W
KBK-W   SMT-W
SMFC/SMKC
KBFC/KBKC
SWFC/SWKC
SMF-E/SMK-E
SMF-W-E/SMK-W-E
SMTC   SMT-E
SMT-W-E
    Super Linear Ball Bearing
    IN'S Linear Ball Bearing System Case Unit
    IN'S Linear Ball Bearing System Support Rail Unit
    IN'S Linear Ball Bearing System Shaft Support
    IN'S Linear Ball Bearing System SM Shaft
    IN'S Linear Ball Bearing System Interchangeability list
    IN'S Linear Ball Bearing System Tolerances for inside diameter of housing
       
 

Nominal Shaft Diameter (Inch/mm) Nominal Part No.
Major Dimensions and Tolerance
(mm)
Eccen
tricity
μm
Squar
eness

μm
Basic
Load
Rating
Dynamic    Static
CN   CoN
Nominal
shaft
diameter

Inch/μm
Steel Retainer

Resin Retainer
Ball Circuit  
Weight
    g
Dr
        
Tolerance
D
        
Tolerance
L
    
Tolerance
Flange
Df
k
t
DP
X
Y
Z
1/4
6.350
SWK 4  
SWK 4G
4  32 .2500
6.350
.5000      0
12.700 -.00050
                0
               -13
.7500
19.050
1.2500
31.750
1.0000
25.400
0.219
5.556
.8750
22.225
.1560
3.969
.2500
6.350
.1410
3.572
.0005
12
.0005
  12
206  265 1/4
6.350
3/8
9.525
SWK 6
SWK 6G
4  47 .3750       0
9.525  -0.004
.6250
15.875     0
.8750
22.225
1.5000
38.100
1.2500
31.750
.2500
6.350
1.0620
26.988
.1875
4.763
.2970
7.541
.1720
4.366
.0005
  12
.0005
  12
225  314 3/8
9.525
1/2
12.700
SWK 8
SWK 8G
4  88 .5000        0
12.700 -0.009
.8750 -.00065
22.225    0
1.2500
31.750
1.7500
44.450
1.3750
34.925
.2500
6.350
1.312
33.338
.1875
4.763
.2970
7.541
.1720
4.366
.0005
  12
.0005
  12
510  784 1/2
12.700
5/8
15.875
SWK 10
SWK 10G
4 140 .6250
15.875
1.1250 -0.016
28.575
1.5000
38.100
2.0000
50.800
1.5000
38.100
.2500
6.350
1.5620
39.688
.1875
4.763
.2970
7.541
.1720
4.366
.0005
  12
.0005
  12
774  1,180 5/8
15.875
3/4
19.050
SWK 12
SWK 12G
4 190 .7500        0
19.050 -.00040
1.2500         0
31.750 -.00075
1.6250
41.275 
.012
2.1875
55.563
1.6875
42.863
.3125
7.938
1.7180
43.660
.2187
5.556
.3440
8.731
.2030
5.159
.0006
  15
.0006
  15
862  1,370 3/4
19.050
1
25.400
SWK 16
SWK 16G
5 325 1.0000     0
25.400 -0.01
1.5625       0
39.688 -0.019
2.2500
57.150 
0.3
2.5000
63.500
2.0000
50.800
.3125
7.938
2.0310
51.594
.2187
5.556
.3440
8.731
.2030
5.159
.0006
  15
.0006
  15
980  1,570 1
25.400
1-1/4
31.750
SWK 20
SWK 20G
5 665 1.2500
31.750   0
2.0000       0
50.800 -.0009
2.6250
66.675
3.1250
79.375
2.5000
63.500
.3750
9.525
2.5625
65.088
.2812
7.144
.4060
10.319
.2656
6.747
.0008
 20
.0008
 20
1,570 2,740 1-1/4
31.750
1-1/2
38.100
SWK 24
SWK 24G
6 1,100 1.5000 -.00050
38.100      0
2.3750       0
60.325 -0.022
3.0000
76.200
3.7500
95.250
3.0000
76.200
.5000
12.700
3.0625
77.788
.3440
8.731
.5000
12.700
.3280
8.334
.0010
 25
.0010
 25
2,180 4,020 1-1/2
38.100
2
50.800
SWK 32
SWK 32G
6 1,760 2.0000 -0.012
50.800
3.0000
76.200  0
4.0000
101.600
4.3750
111.125
3.5000
88.900
.5000
12.700
3.6875
93.662
.3440
8.731
.5000
12.700
.3280
8.334
.0010
 25
.0010
 25
3,820 7,940 2
50.800
2-1/2
63.500
SWK 40
SWK 40G
6 3,570 2.5000     0
63.500 -.00060
3.7500 -.00100
95.250  0
5.0000
127.000
5.3750
136.525
4.3750
111.125
.7500
19.050
4.5625
115.887
.4062
10.319
.6250
15.875
.3750
9.525
.0010
 25
.0010
 25
4,700 10,000 2-1/2
63.500
3
76.200
SWK 48
SWK 48G
6 5,600 3.0000      0
76.200 -0.015
4.5000  -0.025
114.300
6.0000
152.400
6.1250
155.575
5.0000
127.000
.7500
19.050
5.3125
134.937
.4062
10.319
.6250
15.875
.3750
9.525
.0010
 25
.0010
 25
7,350 16,000 3
76.200
4
101.600
SWK 64
SWK 64G
6 12,000 4.000         0
101.600 -.00080
                  0
              -0.020
6.0000       0
152.400 -.00115
                  0
              -0.029
8.0000
203.200
8.0000
203.200
6.7500
171.450
.8750
22.225
7.0000
177.800
.5000
12.700
.7125
18.097
.5000
12.700
.0012
30
.0012
30
14,100 34,800 4
101.600
SI Unit 1N0.225 lbs   
1kg=2.205 lbs   
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