INSTALLATION AND MAINTENANCE

A better experience will be achieved with the proper use of the product.

The rigidity of the base, the flatness of the installation surface and the dimensional tolerance of the shaft are inspected if they are qualified。


The tolerances recommendation for mounted shaft

Shaft Diameter
UK Series
 Shaft tolerances recommendation (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
-620
-0.0024
50
80
2
3-1/8
0
-740
-0.0029
80
120
3-3/16
4-11/16
0
-870
-0.0034
120
180
4-3/4
7-1/16
0
-1000
-0.0039

Lock nut and lock washer are splitted from adapter sleeve。

The adapter sleeve is inserted into the shaft, under the fixed installation position of mounted ball bearing units.

If the adapter sleeve is inserted with difficulty, the screwdriver can be inserted into the notch part of the adapter sleeve to make slot larger and easy to insert。

The mounted ball bearing unit is inserted into the shaft, under the fixed position。

Tighten the mounting bolts of the bearing housings with the torque wrench according to the specified locking torque.

The locking torque recommendation for mounted bolts of bearing housings

Bolt Specification
 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

Note: apply to P, F, FS, FL, FC, FT, FA, FB, LF, FD bearing housings

Fix the lock washer and lock nut into adapter sleeve and tighten the lock nut by hand.

Tighten the set screws of the adatper sleeve according to the specified locking torque.

The locking torque recommendation for set screws

Bore model


 Use condition: normal load
(Crx0.12>Pr)
UK200 locking torque
(±10%)
UKX00 locking torque
(±10%)
UK300 locking 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)
05322832414443893319.5383362821.2
06383362819.5504433725.5575054226.7
07504433725.5635584730.7756645533.4
08635584730.7948326933.21008857440.7
09756645533.2949326935.1150133011148.9
10948326935.1138122010243.6188166013962
1112511109243.6175155012952.7225199016671.6
12163144012052.7207183015357.2281249020781.9
13188166013957.2244216018066.3331293024492.7
15213189015766.3269238019972.84694150346113
16250221018572.8319282023583.25634980415123
17275243020383.2369327027295.66635870489133
18325288024095.642537603141097636750563143
19--
------8887860655153
20----613543045213311109800817173
22--------1530135001130205
24--------1840163001360207
26--------2210205001710229
28--------2690238001980253
Bore model


Use condition: normal load
(Crx0.12
UK200 locking torque
(±10%)
UKX00 locking torque
(±10%)
 UK300 locking 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)
05564964114796995819.5686025021.2
06686025019.5907676625.51018947526.7
07907676625.511310008330.7135120010033.4
0811310008330.7169150012533.2180159013340.7
09135120010033.2169150012535.1270239019948.9
10169150012535.1248220018343.6338299024962
11225199016643.6315279023252.7405359029971.6
12293259321652.7371328027457.2506448037381.9
13338299024957.2439389032466.3596528044092.7
15383339028366.3484428035772.88447470623113
16450398033272.8574508042483.210108970748123
17495438036583.2664588049095.6119010600880133
18585518043295.676567705651091370122001010143
19--
------1600141001180153
20----110397608141331990176001470173
22--------1750243002030205
24--------3310293002440207
26--------3980353002940229
28--------4840428003570253
Cr= Basic Dynamic Load Rating,Pr= Equivalent Dynamic Load

The claw (1 piece) of the lock washer which is in accordance with the notch position of the outer surface of the lock nut is bent to prevent the lock nut from loosing。

Turn the shaft manually to ensure the bearing rotation bearing is normal.

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