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SG, LFR..N and LFRI Track rollers

SG, LFR..N, and LFRI series track rollers with extended inner rings are used to guide the carriages and support the forces. SG sereies is with filling slots. LFR..N and LFRI series is without filling slots. These double row angular contact ball bearings have an outer ring with a gothic arch profile raceway, are sealed on both sides, and are greased for life. They can support axial loads from both sides and high radial forces due to the thick-walled outer ring.  Two points contact between gothic arch groove profile and track. Dimensional tolerance according to P6(ABEC-3). Radial run-out according to P5(ABEC-5). Internal radial clearance according to normal(CN). 

Solution advantage:

• Low noise, low vibration, highest lifetime
• Optimized sealing (no grease leakage, low friction, dust protection)
• Low acoustic noise
• High speed, high precision
• Direct contact with manufacturer and designers
• Short delivery time (stainless steel version on request)

PRODUCT FILTERS AND TABLE

Linear shaft diameter (mm)

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Bore diameter (mm)

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Roller diameter (mm)

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Roller width (mm)

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Roller material
52100 | 100Cr6 | GCr15
440C | X105CrMo17 | 1.4125
Overal width (mm)

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Designation

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Designation Linear shaft diameter Bore diameter Outside diameter Inner ring width Effective dynamic load rating as track roller (radial) Effective static load rating as track roller (radial) Fatigue limit load Maximum dynamic load rating as track roller (radial) Maximum static load rating as track roller (radial) Overall width
dS d D B Cr C0r Pu Fr F0r L
mm
mm
mm
mm
N
N
N
N
N
mm
SG15-2RS 6 5 17 8.75 1630 900 44.5 2230 1800 9.75
SG15N-2RS 6 5 17 9.25 1630 900 44.5 2230 1800 9.75
SG20-2RS 8 6 24 11.55 4120 2300 115 2550 4600 12.75
SG20N-2RS 8 6 24 12.05 4120 2300 115 2550 4600 12.75
SG25-2RS 10 8 30 14 5090 2600 150 3050 3900 15.5
SG25N-2RS 10 8 30 14.5 5090 2600 150 3050 3900 15.5
SG35-2RS 12 12 42 20.5 13200 7700 370 6120 11600 22
SG35N-2RS 12 12 42 21 13200 7700 370 6120 11600 22
LFR50/5-4N-2Z 4 5 16 8.5 1560 850 43 1300 1700 8.5
LFR50/5-5-2Z 5 5 17 8.5 1630 900 44.5 2230 1800 8.5
LFR50/5-6N-2Z 6 5 17 8.5 1630 900 44.5 2230 1800 8.5
LFR50/8-6N-2Z 6 8 24 12.5 4120 2300 115 2550 4600 12.5
LFR50/8-8N-2Z 8 8 24 12.5 4120 2300 115 2550 4600 12.5
LFRI50/8-6N-2Z 6 6.1 24 15.1 4120 2300 115 2550 4600 15.1
LFRI5201-10-2Z 10 10.5 35 20.7 8300 5000 250 4500 8300 35
SG15-10-2RS 10 5 17 8.75 1630 900 44.5 2230 1800 9.75
SG15-2RS
dS Linear shaft diameter 6 mm
d Bore diameter 5 mm
D Outside diameter 17 mm
B Inner ring width 8.75 mm
Cr Effective dynamic load rating as track roller (radial) 1630 N
C0r Effective static load rating as track roller (radial) 900 N
Pu Fatigue limit load 44.5 N
Fr Maximum dynamic load rating as track roller (radial) 2230 N
F0r Maximum static load rating as track roller (radial) 1800 N
L Overall width 9.75 mm
SG15N-2RS
dS Linear shaft diameter 6 mm
d Bore diameter 5 mm
D Outside diameter 17 mm
B Inner ring width 9.25 mm
Cr Effective dynamic load rating as track roller (radial) 1630 N
C0r Effective static load rating as track roller (radial) 900 N
Pu Fatigue limit load 44.5 N
Fr Maximum dynamic load rating as track roller (radial) 2230 N
F0r Maximum static load rating as track roller (radial) 1800 N
L Overall width 9.75 mm
SG20-2RS
dS Linear shaft diameter 8 mm
d Bore diameter 6 mm
D Outside diameter 24 mm
B Inner ring width 11.55 mm
Cr Effective dynamic load rating as track roller (radial) 4120 N
C0r Effective static load rating as track roller (radial) 2300 N
Pu Fatigue limit load 115 N
Fr Maximum dynamic load rating as track roller (radial) 2550 N
F0r Maximum static load rating as track roller (radial) 4600 N
L Overall width 12.75 mm
SG20N-2RS
dS Linear shaft diameter 8 mm
d Bore diameter 6 mm
D Outside diameter 24 mm
B Inner ring width 12.05 mm
Cr Effective dynamic load rating as track roller (radial) 4120 N
C0r Effective static load rating as track roller (radial) 2300 N
Pu Fatigue limit load 115 N
Fr Maximum dynamic load rating as track roller (radial) 2550 N
F0r Maximum static load rating as track roller (radial) 4600 N
L Overall width 12.75 mm
SG25-2RS
dS Linear shaft diameter 10 mm
d Bore diameter 8 mm
D Outside diameter 30 mm
B Inner ring width 14 mm
Cr Effective dynamic load rating as track roller (radial) 5090 N
C0r Effective static load rating as track roller (radial) 2600 N
Pu Fatigue limit load 150 N
Fr Maximum dynamic load rating as track roller (radial) 3050 N
F0r Maximum static load rating as track roller (radial) 3900 N
L Overall width 15.5 mm
SG25N-2RS
dS Linear shaft diameter 10 mm
d Bore diameter 8 mm
D Outside diameter 30 mm
B Inner ring width 14.5 mm
Cr Effective dynamic load rating as track roller (radial) 5090 N
C0r Effective static load rating as track roller (radial) 2600 N
Pu Fatigue limit load 150 N
Fr Maximum dynamic load rating as track roller (radial) 3050 N
F0r Maximum static load rating as track roller (radial) 3900 N
L Overall width 15.5 mm
SG35-2RS
dS Linear shaft diameter 12 mm
d Bore diameter 12 mm
D Outside diameter 42 mm
B Inner ring width 20.5 mm
Cr Effective dynamic load rating as track roller (radial) 13200 N
C0r Effective static load rating as track roller (radial) 7700 N
Pu Fatigue limit load 370 N
Fr Maximum dynamic load rating as track roller (radial) 6120 N
F0r Maximum static load rating as track roller (radial) 11600 N
L Overall width 22 mm
SG35N-2RS
dS Linear shaft diameter 12 mm
d Bore diameter 12 mm
D Outside diameter 42 mm
B Inner ring width 21 mm
Cr Effective dynamic load rating as track roller (radial) 13200 N
C0r Effective static load rating as track roller (radial) 7700 N
Pu Fatigue limit load 370 N
Fr Maximum dynamic load rating as track roller (radial) 6120 N
F0r Maximum static load rating as track roller (radial) 11600 N
L Overall width 22 mm
LFR50/5-4N-2Z
dS Linear shaft diameter 4 mm
d Bore diameter 5 mm
D Outside diameter 16 mm
B Inner ring width 8.5 mm
Cr Effective dynamic load rating as track roller (radial) 1560 N
C0r Effective static load rating as track roller (radial) 850 N
Pu Fatigue limit load 43 N
Fr Maximum dynamic load rating as track roller (radial) 1300 N
F0r Maximum static load rating as track roller (radial) 1700 N
L Overall width 8.5 mm
LFR50/5-5-2Z
dS Linear shaft diameter 5 mm
d Bore diameter 5 mm
D Outside diameter 17 mm
B Inner ring width 8.5 mm
Cr Effective dynamic load rating as track roller (radial) 1630 N
C0r Effective static load rating as track roller (radial) 900 N
Pu Fatigue limit load 44.5 N
Fr Maximum dynamic load rating as track roller (radial) 2230 N
F0r Maximum static load rating as track roller (radial) 1800 N
L Overall width 8.5 mm
LFR50/5-6N-2Z
dS Linear shaft diameter 6 mm
d Bore diameter 5 mm
D Outside diameter 17 mm
B Inner ring width 8.5 mm
Cr Effective dynamic load rating as track roller (radial) 1630 N
C0r Effective static load rating as track roller (radial) 900 N
Pu Fatigue limit load 44.5 N
Fr Maximum dynamic load rating as track roller (radial) 2230 N
F0r Maximum static load rating as track roller (radial) 1800 N
L Overall width 8.5 mm
LFR50/8-6N-2Z
dS Linear shaft diameter 6 mm
d Bore diameter 8 mm
D Outside diameter 24 mm
B Inner ring width 12.5 mm
Cr Effective dynamic load rating as track roller (radial) 4120 N
C0r Effective static load rating as track roller (radial) 2300 N
Pu Fatigue limit load 115 N
Fr Maximum dynamic load rating as track roller (radial) 2550 N
F0r Maximum static load rating as track roller (radial) 4600 N
L Overall width 12.5 mm
LFR50/8-8N-2Z
dS Linear shaft diameter 8 mm
d Bore diameter 8 mm
D Outside diameter 24 mm
B Inner ring width 12.5 mm
Cr Effective dynamic load rating as track roller (radial) 4120 N
C0r Effective static load rating as track roller (radial) 2300 N
Pu Fatigue limit load 115 N
Fr Maximum dynamic load rating as track roller (radial) 2550 N
F0r Maximum static load rating as track roller (radial) 4600 N
L Overall width 12.5 mm
LFRI50/8-6N-2Z
dS Linear shaft diameter 6 mm
d Bore diameter 6.1 mm
D Outside diameter 24 mm
B Inner ring width 15.1 mm
Cr Effective dynamic load rating as track roller (radial) 4120 N
C0r Effective static load rating as track roller (radial) 2300 N
Pu Fatigue limit load 115 N
Fr Maximum dynamic load rating as track roller (radial) 2550 N
F0r Maximum static load rating as track roller (radial) 4600 N
L Overall width 15.1 mm
LFRI5201-10-2Z
dS Linear shaft diameter 10 mm
d Bore diameter 10.5 mm
D Outside diameter 35 mm
B Inner ring width 20.7 mm
Cr Effective dynamic load rating as track roller (radial) 8300 N
C0r Effective static load rating as track roller (radial) 5000 N
Pu Fatigue limit load 250 N
Fr Maximum dynamic load rating as track roller (radial) 4500 N
F0r Maximum static load rating as track roller (radial) 8300 N
L Overall width 35 mm
SG15-10-2RS
dS Linear shaft diameter 10 mm
d Bore diameter 5 mm
D Outside diameter 17 mm
B Inner ring width 8.75 mm
Cr Effective dynamic load rating as track roller (radial) 1630 N
C0r Effective static load rating as track roller (radial) 900 N
Pu Fatigue limit load 44.5 N
Fr Maximum dynamic load rating as track roller (radial) 2230 N
F0r Maximum static load rating as track roller (radial) 1800 N
L Overall width 9.75 mm
Linear shaft diameter
dS
6 mm
Bore diameter
d
5 mm
Outside diameter
D
17 mm
Inner ring width
B
8.75 mm
Effective dynamic load rating as track roller (radial)
Cr
1630 N
Effective static load rating as track roller (radial)
C0r
900 N
Fatigue limit load
Pu
44.5 N
Maximum dynamic load rating as track roller (radial)
Fr
2230 N
Maximum static load rating as track roller (radial)
F0r
1800 N
Overall width
L
9.75 mm
Linear shaft diameter
dS
6 mm
Bore diameter
d
5 mm
Outside diameter
D
17 mm
Inner ring width
B
9.25 mm
Effective dynamic load rating as track roller (radial)
Cr
1630 N
Effective static load rating as track roller (radial)
C0r
900 N
Fatigue limit load
Pu
44.5 N
Maximum dynamic load rating as track roller (radial)
Fr
2230 N
Maximum static load rating as track roller (radial)
F0r
1800 N
Overall width
L
9.75 mm
Linear shaft diameter
dS
8 mm
Bore diameter
d
6 mm
Outside diameter
D
24 mm
Inner ring width
B
11.55 mm
Effective dynamic load rating as track roller (radial)
Cr
4120 N
Effective static load rating as track roller (radial)
C0r
2300 N
Fatigue limit load
Pu
115 N
Maximum dynamic load rating as track roller (radial)
Fr
2550 N
Maximum static load rating as track roller (radial)
F0r
4600 N
Overall width
L
12.75 mm
Linear shaft diameter
dS
8 mm
Bore diameter
d
6 mm
Outside diameter
D
24 mm
Inner ring width
B
12.05 mm
Effective dynamic load rating as track roller (radial)
Cr
4120 N
Effective static load rating as track roller (radial)
C0r
2300 N
Fatigue limit load
Pu
115 N
Maximum dynamic load rating as track roller (radial)
Fr
2550 N
Maximum static load rating as track roller (radial)
F0r
4600 N
Overall width
L
12.75 mm
Linear shaft diameter
dS
10 mm
Bore diameter
d
8 mm
Outside diameter
D
30 mm
Inner ring width
B
14 mm
Effective dynamic load rating as track roller (radial)
Cr
5090 N
Effective static load rating as track roller (radial)
C0r
2600 N
Fatigue limit load
Pu
150 N
Maximum dynamic load rating as track roller (radial)
Fr
3050 N
Maximum static load rating as track roller (radial)
F0r
3900 N
Overall width
L
15.5 mm
Linear shaft diameter
dS
10 mm
Bore diameter
d
8 mm
Outside diameter
D
30 mm
Inner ring width
B
14.5 mm
Effective dynamic load rating as track roller (radial)
Cr
5090 N
Effective static load rating as track roller (radial)
C0r
2600 N
Fatigue limit load
Pu
150 N
Maximum dynamic load rating as track roller (radial)
Fr
3050 N
Maximum static load rating as track roller (radial)
F0r
3900 N
Overall width
L
15.5 mm
Linear shaft diameter
dS
12 mm
Bore diameter
d
12 mm
Outside diameter
D
42 mm
Inner ring width
B
20.5 mm
Effective dynamic load rating as track roller (radial)
Cr
13200 N
Effective static load rating as track roller (radial)
C0r
7700 N
Fatigue limit load
Pu
370 N
Maximum dynamic load rating as track roller (radial)
Fr
6120 N
Maximum static load rating as track roller (radial)
F0r
11600 N
Overall width
L
22 mm
Linear shaft diameter
dS
12 mm
Bore diameter
d
12 mm
Outside diameter
D
42 mm
Inner ring width
B
21 mm
Effective dynamic load rating as track roller (radial)
Cr
13200 N
Effective static load rating as track roller (radial)
C0r
7700 N
Fatigue limit load
Pu
370 N
Maximum dynamic load rating as track roller (radial)
Fr
6120 N
Maximum static load rating as track roller (radial)
F0r
11600 N
Overall width
L
22 mm
Linear shaft diameter
dS
4 mm
Bore diameter
d
5 mm
Outside diameter
D
16 mm
Inner ring width
B
8.5 mm
Effective dynamic load rating as track roller (radial)
Cr
1560 N
Effective static load rating as track roller (radial)
C0r
850 N
Fatigue limit load
Pu
43 N
Maximum dynamic load rating as track roller (radial)
Fr
1300 N
Maximum static load rating as track roller (radial)
F0r
1700 N
Overall width
L
8.5 mm
Linear shaft diameter
dS
5 mm
Bore diameter
d
5 mm
Outside diameter
D
17 mm
Inner ring width
B
8.5 mm
Effective dynamic load rating as track roller (radial)
Cr
1630 N
Effective static load rating as track roller (radial)
C0r
900 N
Fatigue limit load
Pu
44.5 N
Maximum dynamic load rating as track roller (radial)
Fr
2230 N
Maximum static load rating as track roller (radial)
F0r
1800 N
Overall width
L
8.5 mm
Linear shaft diameter
dS
6 mm
Bore diameter
d
5 mm
Outside diameter
D
17 mm
Inner ring width
B
8.5 mm
Effective dynamic load rating as track roller (radial)
Cr
1630 N
Effective static load rating as track roller (radial)
C0r
900 N
Fatigue limit load
Pu
44.5 N
Maximum dynamic load rating as track roller (radial)
Fr
2230 N
Maximum static load rating as track roller (radial)
F0r
1800 N
Overall width
L
8.5 mm
Linear shaft diameter
dS
6 mm
Bore diameter
d
8 mm
Outside diameter
D
24 mm
Inner ring width
B
12.5 mm
Effective dynamic load rating as track roller (radial)
Cr
4120 N
Effective static load rating as track roller (radial)
C0r
2300 N
Fatigue limit load
Pu
115 N
Maximum dynamic load rating as track roller (radial)
Fr
2550 N
Maximum static load rating as track roller (radial)
F0r
4600 N
Overall width
L
12.5 mm
Linear shaft diameter
dS
8 mm
Bore diameter
d
8 mm
Outside diameter
D
24 mm
Inner ring width
B
12.5 mm
Effective dynamic load rating as track roller (radial)
Cr
4120 N
Effective static load rating as track roller (radial)
C0r
2300 N
Fatigue limit load
Pu
115 N
Maximum dynamic load rating as track roller (radial)
Fr
2550 N
Maximum static load rating as track roller (radial)
F0r
4600 N
Overall width
L
12.5 mm
Linear shaft diameter
dS
6 mm
Bore diameter
d
6.1 mm
Outside diameter
D
24 mm
Inner ring width
B
15.1 mm
Effective dynamic load rating as track roller (radial)
Cr
4120 N
Effective static load rating as track roller (radial)
C0r
2300 N
Fatigue limit load
Pu
115 N
Maximum dynamic load rating as track roller (radial)
Fr
2550 N
Maximum static load rating as track roller (radial)
F0r
4600 N
Overall width
L
15.1 mm
Linear shaft diameter
dS
10 mm
Bore diameter
d
10.5 mm
Outside diameter
D
35 mm
Inner ring width
B
20.7 mm
Effective dynamic load rating as track roller (radial)
Cr
8300 N
Effective static load rating as track roller (radial)
C0r
5000 N
Fatigue limit load
Pu
250 N
Maximum dynamic load rating as track roller (radial)
Fr
4500 N
Maximum static load rating as track roller (radial)
F0r
8300 N
Overall width
L
35 mm
Linear shaft diameter
dS
10 mm
Bore diameter
d
5 mm
Outside diameter
D
17 mm
Inner ring width
B
8.75 mm
Effective dynamic load rating as track roller (radial)
Cr
1630 N
Effective static load rating as track roller (radial)
C0r
900 N
Fatigue limit load
Pu
44.5 N
Maximum dynamic load rating as track roller (radial)
Fr
2230 N
Maximum static load rating as track roller (radial)
F0r
1800 N
Overall width
L
9.75 mm
Catalog
111

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