LFR U groove track rollers bearings are the most widely-use and economy bearings among the linear motion track rollers, and they can suit to the cylindrical track.
There are two contact points between the roller and track, so the contact function is favorable.
Rollers feature double row angular contact ball bearing in its internal structure design and a thick-walled outer ring, so rollers can accommodate higher loads.
U Groove Track Roller Bearing LFR5301-20 2RS Introduction :
|
Type
|
U groove pulley ball bearings
|
Model
|
LFR 5301-20 NPP
|
|
Bearing No.:
|
LFR 5301-20 NPP,LFR 5301-20 KDD
|
d (mm)
|
12 mm
|
|
Material
|
Chrome steel
|
D (mm)
|
42 mm
|
|
Seal type
|
Open, KDD, NPP
|
C (mm)
|
19 mm
|
|
Precision rate
|
P0, P6
|
Material
|
Chrome steel
|
China Track bearing Pictures:
U Groove Pulley Ball Bearing Number:
|
Designation
|
Dimensions (mm)
|
Weight
|
|
|
dw
|
d +0/-0.008
|
D+0/-0.05
|
C
|
B +0/-0.12
|
A
|
rs
|
kg
|
|
LFR50/4-4
|
4
|
4
|
13
|
6
|
7.55
|
8.04
|
0,2
|
0,007
|
|
LFR50/5-4
|
4
|
5
|
16
|
7
|
8
|
9
|
0,2
|
0,01
|
|
LFR50/5-6
|
6
|
5
|
17
|
7
|
8
|
10,5
|
0,2
|
0,01
|
|
LFR50/6-6
|
6
|
6
|
19
|
8,5
|
9
|
11,5
|
0,3
|
0,013
|
|
LFR50/8-6
|
6
|
8
|
24
|
11
|
11
|
14
|
0,3
|
0,02
|
|
LFR50/8-8
|
8
|
8
|
24
|
11
|
11
|
14,75
|
0,3
|
0,02
|
|
LFR5201-10
|
10
|
12
|
35
|
15,9
|
15,9
|
20,65
|
0,3
|
0,08
|
|
LFR5201-12
|
12
|
12
|
35
|
15,9
|
15,9
|
21,75
|
0,3
|
0,08
|
|
LFR5201-10.40
|
10
|
12
|
39,9
|
18
|
20
|
22
|
0,3
|
0,12
|
|
LFR5201-14
|
14
|
12
|
39,9
|
18
|
20
|
24
|
0,3
|
0,1
|
|
LFR5202-12-ZZ
|
12
|
15
|
45
|
15,9
|
15,9
|
26,5
|
0,6
|
0,12
|
|
LFR5204-16-ZZ
|
16
|
20
|
52
|
20,6
|
22,6
|
31,5
|
0,6
|
0,23
|
|
LFR5206-20
|
20
|
25
|
72
|
23,8
|
25,8
|
41
|
0,6
|
0,435
|
|
LFR5206-25
|
25
|
25
|
72
|
23,8
|
25,8
|
43,5
|
0,6
|
0,425
|
|
LFR5207-30
|
30
|
30
|
80
|
27
|
29
|
51
|
1
|
0,660
|
|
LFR5208-40
|
40
|
40
|
98
|
36
|
38
|
62,5
|
1
|
1,360
|
|
LFR5301-10
|
10
|
12
|
42
|
19
|
19
|
24
|
0,6
|
0,130
|
|
LFR5301-20
|
20
|
12
|
42
|
19
|
19
|
28
|
0,6
|
0,125
|
|
LFR5302-10
|
10
|
15
|
47
|
19
|
19
|
26,65
|
1
|
0,163
|
|
LFR5308-50
|
50
|
40
|
110
|
44
|
46
|
72,5
|
1,1
|
1,400
|
U Groove Bearing Application :
Industrial machinery: printing machinery, paper machinery, automation machinery, textile machinery, vending machines, woodworking machinery, packaging machinery
• Electronic equipment: mechanical arm, measuring equipment, X-X platform, medical equipment, factory automation equipment
• Rotation machinery: metal heat treatment designed nuclear reactor, brakes, etc
• Aerospace industries: aircraft flaps brakes, seat brakes, missiles, airport apparatus and other equipment
• Other: radio antenna brakes, door and window control, medical bed control, parking facilities, machine tool doors, laboratory automation, etc.
