Bearing installation Bearing maintenance

Installation and maintenance

Using the product correctly can get a better product experience.

Check whether the rigidity of the base, the flatness of the mounting surface and the dimensional tolerance of the shaft are qualified.

Recommended tolerance table of installation shaft

Shaft diameter
 UC,SB系列
Recommended tolerance of shaft (H7)
mm
 in
 μm
 in
>
 ≤
 >
 ≤
 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

Insert the bearing with seat into the shaft and place it in the specified position.

Use a torque wrench to tighten the mounting bolts of the bearing housing according to the specified locking torque.

Recommended table for locking torque of bearing pedestal mounting bolt

Nominal model of bolt
 Locking torque(±10%)
mm
 in
 N.m
 lbf.in
 lbf.ft
M6
 1/4
 4.0
 33
 3
M8
 5/16
 8.0
 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

Remarks: suitable for P, F, FS, FL, FC, FT, FA, FB, LF, FD bearing pedestal

Tighten the stop screw of bearing inner ring equally according to the specified locking torque.

Recommended locking torque table of stop screw

Nominal model of jacking wire
 Locking torque
 Applicable model
mm
 in N.m
 lbf.in
 lbf.ft
 UC200
 UCX00
 SB200
 UC300
M5×0.8
 10-32UNF
 3.0 27 2.2 201-203
(SΦ40)
201-203
M6×1.0
 1/4-28UNF
 4.0 35 3 201-206 X05 204-206 305-306
M8×1.0
 5/16-24UNF 9 75 6 207-209 X06-X08 207-211 307
M10×1.25
 3/8-24UNF
 18 155 13 210-213 X09-X12 212 308-309
M12×1.5
 7/16-20UNF
 28 248 21 214-218 X13-X17
310-314
M14×1.5
 1/2-20UNF
 35 310 26
X18
315-316
M16×1.5
 5/8-18UNF
 56 496 41 220 X20
317-319
M18×1.5
 5/8-18UNF
 62 549 46


320-324
M20×1.5
 3/4-16UNF
 83 735 61


326-328

Rotate the shaft by hand to confirm whether the rotation state of the bearing is abnormal.

Check whether the rigidity of the base, the flatness of the mounting surface and the dimensional tolerance of the shaft are qualified.

Recommended tolerance table of installation shaft

Shaft diameter
 HC,SAseries
Recommended tolerances for shafts(h6)
mm
 in
 μm
 in
>
 ≤
 >
 ≤
 max
 min
 max
 min
10
 18
 7/16
 11/16
 0
 -11
 0
 -0.0004
18
 30
 3/4
 1-1/8
 0
 -13
 0
 -0.0005
30
 50
 1-3/16
 1-15/16
 0
 -16 0
 -0.0006
50
 80
 2
 3-1/8
 0
 -19 0
 -0.0007
80
 120
 3-3/16
 4-11/16
 0
 -22 0
 -0.0009
120
 180
 4-3/4
 7-1/16
 0
 -25 0
 -0.0010

Insert the bearing with seat into the shaft and place it in the specified position.

Insert the bearing with seat into the shaft and place it in the specified position.

Use a torque wrench to tighten the mounting bolts of the bearing housing according to the specified locking torque.

Insert the bearing with seat into the shaft and place it in the specified position.

Recommended table for locking torque of bearing pedestal mounting bolt

Nominal model of bolt
 Locking torque(±10%)
mm
 in
 N.m
 lbf.in
 lbf.ft
M6
 1/4
 4.0
 33
 3
M8
 5/16
 8.0
 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

Remarks: suitable for P, F, FS, FL, FC, FT, FA, FB, LF, FD bearing pedestal

Insert the eccentric part of the eccentric sleeve into the eccentric platform of the bearing inner ring.

Rotate the eccentric sleeve along the rotation direction of the shaft to make it mesh with the eccentric platform of the bearing inner ring, and then knock the eccentric sleeve with a hammer and nail gun along the rotation direction of the shaft to lock it.

Tighten the stop screw on the eccentric sleeve according to the specified locking torque.

Recommended locking torque table of stop screw

Nominal model of jacking wire
Locking torque
Applicable model
mm
in
N.m
lbf.in
lbf.ft
HC200
SA200
HC300
M5×0.8
10-32UNF
3.0
27
2.2



M6×1.0
1/4-28UNF
4.0
35
3
203-205
201-205

M8×1.0
5/16-24UNF
9
75
6
206
206
305-307
M10×1.25
3/8-24UNF
18
155
13
207-216
207-216
308-312
M12×1.5
7/16-20UNF
28
248
21
211-216
211-212
313-314
M14×1.5
1/2-20UNF
35
310
26



M16×1.5
5/8-18UNF
56
496
41


315-317
M18×1.5
5/8-18UNF
62
549
46



M20×1.5
3/4-16UNF
83
735
61


318-320

Rotate the shaft by hand to confirm whether the rotation state of the bearing is abnormal.

Check whether the rigidity of the base, the flatness of the mounting surface and the dimensional tolerance of the shaft are qualified.

Recommended tolerance table of installation shaft

Shaft diameter
 UKseries
Recommended tolerances for shafts(h9)
mm
 in
  μm
 in
>
 ≤
 >
 ≤
 max
 min
 max
 min
10
 18
 7/16
 11/16
 0
 -43
 0
 -0.0017
18
 30
 3/4
 1-1/8
 0
 -52
 0
 -0.0021
30
 50
 1-3/16
 1-15/16
 0
 -62 0
 -0.0024
50
 80
 2
 3-1/8
 0
 -74 0
 -0.0029
80
 120
 3-3/16
 4-11/16
 0
 -87 0
 -0.0034
120
 180
 4-3/4
 7-1/16
 0
 -100 0
 -0.0039

Recommended tolerances for shafts

Insert the setting sleeve into the shaft and place it in the fixed installation position of the bearing with seat.

When the setting sleeve is difficult to insert, insert a screwdriver into the slot of the setting sleeve to enlarge the notch to make it easy to insert.

Insert the bearing with seat into the shaft and place it in the specified position.

Use a torque wrench to tighten the mounting bolts of the bearing housing according to the specified locking torque.

Recommended table for locking torque of bearing pedestal mounting bolt

Nominal model of bolt
 Locking torque(±10%)
mm
 in
 N.m
 lbf.in
 lbf.ft
M6
 1/4
 4.0
 33
 3
M8
 5/16
 8.0
 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

Remarks: suitable for P, F, FS, FL, FC, FT, FA, FB, LF, FD bearing pedestal

Install the lock washer and lock nut on the locking sleeve and tighten the lock nut by hand

Use a torque wrench to tighten the locking nut of the locking sleeve according to the specified locking torque

Recommended table of locking torque for lock nut

Inner diameter model

 Service condition: normal load（Crx0.12＞Pr）
UK200Locking torque（±10%）
 UKX00Locking torque（±10%）
 UK300Locking torque（±10%）
N·m
 lbf.in
 lbf.ft
 Cr(KN)
 N·m
 lbf.in
 lbf.ft
 Cr(KN)
 N·m
 lbf.in
 lbf.ft
 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 25.5 57 505 42 26.7
07 50 443 37 25.5 63 558 47 30.7 75 664 55 33.4
08 63 558 47 30.7 94 832 69 33.2 100 885 74 40.7
09 75 664 55 33.2 94 932 69 35.1 150 1330 111 48.9
10 94 832 69 35.1 138 1220 102 43.6 188 1660 139 62
11 125 1110 92 43.6 175 1550 129 52.7 225 1990 166 71.6
12 163 1440 120 52.7 207 1830 153 57.2 281 2490 207 81.9
13 188 1660 139 57.2 244 2160 180 66.3 331 2930 244 92.7
15 213 1890 157 66.3 269 2380 199 72.8 469 4150 346 113
16 250 2210 185 72.8 319 2820 235 83.2 563 4980 415 123
17 275 2430 203 83.2 369 3270 272 95.6 663 5870 489 133
18 325 2880 240 95.6 425 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
Inner diameter model

 Service condition: normal load（Crx0.12<Pr）
UK200Locking torque（±10%）
 UKX00Locking torque（±10%）
 UK300Locking torque（±10%）
N·m
 lbf.in
 lbf.ft
 Cr(KN)
 N·m
 lbf.in
 lbf.ft
 Cr(KN)
 N·m
 lbf.in
 lbf.ft
 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 25.5 101 894 75 26.7
07 90 767 66 25.5 113 1000 83 30.7 135 1200 100 33.4
08 113 1000 83 30.7 169 1500 125 33.2 180 1590 133 40.7
09 135 1200 100 33.2 169 1500 125 35.1 270 2390 199 48.9
10 169 1500 125 35.1 248 2200 183 43.6 338 2990 249 62
11 225 1990 166 43.6 315 2790 232 52.7 405 3590 299 71.6
12 293 2593 216 52.7 371 3280 274 57.2 506 4480 373 81.9
13 338 2990 249 57.2 439 3890 324 66.3 596 5280 440 92.7
15 383 3390 283 66.3 484 4280 357 72.8 844 7470 623 113
16 450 3980 332 72.8 574 5080 424 83.2 1010 8970 748 123
17 495 4380 365 83.2 664 5880 490 95.6 1190 10600 880 133
18 585 5180 432 95.6 765 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=equivalent dynamic load

Bend the claw (1 piece) of the washer which is consistent with the notch position of the outer diameter surface of the lock nut to the notch position of the outer diameter surface of the lock nut to prevent the lock nut from loosening.

Rotate the shaft by hand to confirm whether the rotation state of the bearing is abnormal.

Our professional technicians will help you.Acceptance time: 8:00 ~ 18:00 (Monday ~ Friday, excluding Chinese legal holidays)

Email: business@jxc-cn.com

Tel:021-59927000 / 59928000

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Jiaxi bearing (Shanghai) Co., Ltd    Technical Support:Bearing.cn