SHAFT TOLERANCES
UC, SB, ER, RB
 
NA, SA, NC, UC (S3 & S5)
Shaft Size
Shaft Tolerances (h7)
mm
inch
μm
inch
Over
Including
From
Up to
Max
Min
Max
Min
10 18   7/16  11/16 0 -18 0 -0.0007
18 30   3/4 1  1/8 0 -21 0 -0.0008
30 50 1  3/16 1 15/16 0 -25 0 -0.0010
50 80 2      3  1/8 0 -30 0 -0.0012
80 120 3  3/16 4 11/16 0 -35 0 -0.0014
120 180 4  3/4 7  1/16 0 -40 0 -0.0016
 
Shaft Size
Shaft Tolerances (h5)
mm
inch
μm
inch
Over
Including
From
Up to
Max
Min
Max
Min
10 18   7/16  11/16 0 -8 0 -0.0003
18 30   3/4 1  1/8 0 -9 0 -0.0004
30 50 1  3/16 1 15/16 0 -11 0 -0.0004
50 80 2      3  1/8 0 -13 0 -0.0005
80 120 3  3/16 4 11/16 0 -15 0 -0.0006
120 180 4  3/4 7  1/16 0 -18 0 -0.0007


SET SCREW AND ECCENTRIC LOCKING COLLAR TIGHTENING
SET SCREW
TIGHTENING TORQUE
BEARING CODE
mm
inch
N-m
in-lbs
ft-lbs
UC2.RB.ER
UCX
UC3
NA2
SA.SA2F
SB2
SU0
M3X0.35 - 0.7 6 0.5
　
　
　
　
　
　
000.001
M4X0.5 - 1.8 16 1.3
　
　
　
　
002.003
M5X0.5 10-32UNF 3 27 2.2
　
　
　
201～203
004～006
M6X0.75 1/4-28UNF 4 35 3
201～206
X05
305,306
204,205
201～205
204～207
　
M8X1 5/16-24UNF 9 75 6
207～209
X06～X08
307
206～210
206～210
208
　
M10X1.25 3/8-24UNF 18 155 13
210～212
X09～X11
308,309
211,212
211
　
　
M12X1.5 1/2-20UNF 28 248 21
212～218
X12～X17
310～314
　
　
　
M14X1.5 - 35 310 26
　
X18
315,316
　
　
　
M16X1.5 5/8-18UNF 56 496 41
　
X20
317～319
　
　
　
M18X1.5 - 62 549 46
　
　
320～324
　
　
　
M20X1.5 - 83 735 61
　
　
326,328
　
　
　
　

NU-LOC CONCENTRIC TIGHTENING
SET SCREW
TIGHTENING TORQUE
BEARING CODE
mm
inch
N-m
in-lbs
ft-lbs
NC
M4X0.7 8-32UNC
8
69
6
204～206
M5X0.8 10-24UNC
11
95
8
207～209
M6X1 1/4-20UNC
19
164
14
210～211
M8X1.25 5/16-18UNC
44
388
32
212


MOUNTING BOLT TORQUE
SET SCREW
TIGHTENING TORQUE
mm
inch
N-m
in-lbs
ft-lbs
M6   1/4 4 33 3
M8   5/16 8 71 6
M10   3/8 17 151 13
M12   7/16 29 257 21
M14   1/2 47 416 35
M16   5/8 73 646 54
M18 　 107 947 79
M20   3/4 145 1280 107
M22   7/8 200 1770 148
M27 1      372 3290 275
M30 1  1/8 500 4430 369
M33 1  1/4 690 6110 509
M36 1  3/8 880 7790 649



TIGHTENING TORQUES OF ADAPTER LOCK NUTS
Bore Code
STANDARD LOAD (Cr X 0.12 ＞ Pr) ＊
UK200
UKX
UK3
N-m
in-lbs
ft-lbs
Cr (kN)
N-m
in-lbs
ft-lbs
Cr (kN)
N-m
in-lbs
ft-lbs
Cr (kN)
05
 32 283 24 14 44 389 33 19.5 38 336 28 21.2
06
 38 336 28 19.5 50 443 37 25.7 57 505 42 26.7
07
 50 443 37 25.7 63 55.8 47 29.1 75 664 55 33.4
08
 63 558 47 29.1 94 832 69 34.1 100 885 74 40.7
09
 75 664 55 34.1 94 932 69 35.1 150 1330 111 48.9
10
 94 832 69 35.1 138 1220 102 43.4 188 1660 139 62
11
 125 1110 92 43.4 175 1550 129 52.4 225 1990 166 71.6
12
 163 1440 120 52.4 207 1830 153 57.2 281 2490 207 81.9
13
 188 1660 139 57.2 244 2160 180 62.2 331 2930 244 92.7
15
 213 1890 157 67.4 269 1380 199 72.7 469 4150 346 113
16
 250 2210 185 72.7 319 2820 235 84 563 4980 415 123
17
 275 2430 203 84 369 3270 272 96.1 663 5870 489 133
18
 325 2880 240 96.1 425 3760 314 109 763 6750 563 143
19
 - - -
-
 - - - - 888 7860 655 153
20
 - - -
-
 613 5430 452 133 1110 9800 817 173
22
 - - -
-
 - - - - 1530 13500 1130 205
24
 - - -
-
 - - - - 1840 16300 1360 207
26
 - - -
-
 - - - - 2210 20500 1710 229
28
 - - -
-
 - - - - 2690 23800 1980 253
Bore Code
HEAVY LOAD (Cr X 0.12 ＜ Pr) ＊
UK200
UKX
UK3
N-m
in-lbs
ft-lbs
Cr (kN)
N-m
in-lbs
ft-lbs
Cr (kN)
N-m
in-lbs
ft-lbs
Cr (kN)
05
56
496 41 14
79
699 58 19.5
68
602 50 21.2
06
68
602 50 19.5
90
767 66 25.7
101
894 75 26.7
07
90
767 66 25.7
113
1000 83 29.1
135
1200 100 33.4
08
113
1000 83 29.1
169
1500 125 34.1
180
1590 133 40.7
09
135
1200 100 34.1
169
1500 125 35.1
270
2390 199 48.9
10
169
1500 125 35.1
248
2200 183 43.4
338
2990 249 62
11
225
1990 166 43.4
315
2790 232 52.4
405
3590 299 71.6
12
293
2593 216 52.4
371
3280 274 57.2
506
4480 373 81.9
13
338
2990 249 57.2
439
3890 324 62.2
596
5280 440 92.7
15
383
3390 283 67.4
484
4280 357 72.7
844
7470 623 113
16
450
3980 332 72.7
574
5080 424 84
1010
8970 748 123
17
495
4380 365 84
664
5880 490 96.1
1190
10600 880 133
18
585
5180 432 96.1
765
6770 565 109
1370
12200 1010 143
19
-
 - -
-
-
 - - -
1600
14100 1180 153
20
-
 - -
-
1103
9760 814 133
1990
17600 1470 173
22
-
 - -
-
-
 - - -
1750
24300 2030 205
24
-
 - -
-
-
 - - -
3310
29300 2440 207
26
-
 - -
-
-
 - - -
3980
35300 2940 229
28
 - - -
-
-
 - - -
4840
42800 3570 253
＊　Cr = Basic dynamic load rating, Pr = Dynamic equivalent load (Bearing load)

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