Fujian Fushan bearing Co., LTD

Bearing installationBearing maintenance

Installation and maintenance

The right use of the product leads to a better product experience。

Check the rigidity of the base, the flatness of the mounting surface, and the dimensional tolerance of the shaft。

Mounting shaft tolerance recommendation sheet

轴径
UK series
Shaft recommended tolerance (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

Split the lock nut and lock washer on the lock sleeve。

Insert the set sleeve into the shaft and place it in the installation position of the set seat bearing。

When the fixing sleeve is difficult to insert, the screwdriver can be inserted into the groove of the fixing sleeve to expand the groove to make it easy to insert。

Insert the seat bearing into the shaft and place it in the position。

Use the torque wrench to tighten the mounting bolt of the bearing seat according to the specified locking torque。

Bearing seat mounting bolt locking torque recommendation table

Nominal type 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

Note: suitable for P, F, FS, FL, FC, FT, FA, FB, LF, FD bearing seat

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

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

Recommended locking torque table for locking nut

Inside diameter type

Conditions of use: ordinary 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
Inside diameter type

Conditions of use: ordinary 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 rated dynamic load, Pr= equivalent dynamic load

Bend the claw (1) of the washer 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 rotating state of the bearing is abnormal。