Track rollers with Gothic arch groove--type LFR
linear motion bearings,linear motion bearing, track rollers, track rollertrack roller bearings, track roller bearings,track rollers
* Can be relubricated through a hole on the inner ring.

Track Roller No.  

Weight

Dimensions (mm)

Load Ratings

Yi-Tong

GERMAN

ITALIAN

≈(g)

dw

d

D

C

B

A

rs

Cw(KN)

Cow(KN)

Fr perm(KN)

LFR 50/4 NPP

-

-

3.5

5

4

13

6

7

8.04

0.2

1.05

0.85

1.15

LFR 50/5-4 KDD

LFR50/5KDD-4

R 50/5-4 ZZ

7.5

4

5

16

7

8

9

0.2

1.2

0.86

1.3

LFR 50/5-4 NPP

LFR50/5NPP-4

R 50/5-4 2RS

7.5

4

5

16

7

8

9

0.2

1.2

0.86

1.3

LFR 50/5 KDD

LFR50/5KDD

R 50/5-6 ZZ

8

6

5

17

7

8

10.5

0.2

1.27

0.82

1.3

LFR 50/5 NPP

LFR50/5NPP

R 50/5-6 2RS

8

6

5

17

7

8

10.5

0.2

1.27

0.82

1.3

LFR 50/8 KDD

LFR50/8KDD

R 50/8-6 ZZ

24

6

8

24

11

11

14

0.3

3.67

2.28

1.3

LFR 50/8 NPP

LFR50/8NPP

R 50/8-6 2RS

24

6

8

24

11

11

14

0.3

3.67

2.28

1.3

LFR 50/8-8 KDD

    

24

8

8

24

11

11

14.75

0.3

3.67

2.28

1.3

LFR 50/8-8 NPP

    

24

8

8

24

11

11

14.75

0.3

3.67

2.28

1.3

LFR 30/8 KDD

    

31

10

8

26.8

11

13

16.7

0.3

3.67

2.28

1.3

LFR 30/8 NPP

    

31

10

8

26.8

11

13

16.7

0.3

3.67

2.28

1.3

LFR 5201 KDD

LFR5201KDD

R 5201-10 ZZ

68

10

12

35

15.9

15.9

20.65

0.3

8.5

5.1

5.1

LFR 5201 NPP

LFR5201NPP

R 5201-10 2RS

68

10

12

35

15.9

15.9

20.65

0.3

8.5

5.1

5.1

LFR 5301 KDD

LFR5301KDD

R 5301-10 ZZ

130

10

12

42

19

19

24

0.6

13

7.7

7.5

LFR 5301 NPP

LFR5301NPP

R 5301-10 2RS

130

10

12

42

19

19

24

0.6

13

7.7

7.5

LFR 5301-20 KDD

    

125

20

12

42

19

19

28

0.6

13

7.7

7.5

LFR 5301-20 NPP

    

125

20

12

42

19

19

28

0.6

13

7.7

7.5

LFR 5302 KDD

LFR5302KDD

R 5302-10 ZZ

163

10

15

47

19

19

26.65

1

16.2

9.2

6.2

LFR 5302 NPP

LFR5302NPP

R 5302-10 2RS

163

10

15

47

19

19

26.65

1

16.2

9.2

6.2

LFR 5201-12 KDD

LFR5201-12KDD

R 5201-12 ZZ

68

12

12

35

15.9

15.9

21.75

0.3

8.4

5

5.1

LFR 5201-12 NPP

LFR5201-12NPP

R 5201-12 2RS

68

12

12

35

15.9

15.9

21.75

0.3

8.4

5

5.1

LFR 5201-14 KDD

LFR5201-14KDD

R 5201-14 ZZ

107

14

12

39.9

18

20

24

0.3

8.9

5

6.7

LFR 5201-14 NPP

LFR5201-14NPP

R 5201-14 2RS

107

14

12

39.9

18

20

24

0.3

8.9

5

6.7

LFR 5201-10.40 KDD

    

115

10

12

39.9

18

20

22

0.3

8.9

5

6.7

LFR 5201-10.40 NPP

    

115

10

12

39.9

18

20

22

0.3

8.9

5

6.7

LFR 5204-16 KDD*

LFR5204-16KDD

R 5204-16 ZZ

195

16

20

52

20.6

22.6

31.5

0.6

16.8

9.5

12.1

LFR 5204-16 NPP*

LFR5204-16NPP

R 5204-16 2RS

195

16

20

52

20.6

22.6

31.5

0.6

16.8

9.5

12.1

LFR 5206-20 KDD*

LFR5206-20KDD

R 5206-20 ZZ

435

20

25

72

23.8

25.8

41

0.6

29.5

16.6

20.7

LFR 5206-20 NPP*

LFR5206-20NPP

R 5206-20 2RS

435

20

25

72

23.8

25.8

41

0.6

29.5

16.6

20.7

LFR 5206-25 KDD*

LFR5206-25KDD

R 5206-25 ZZ

425

25

25

72

23.8

25.8

43.5

0.6

29.2

16.4

23.1

LFR 5206-25 NPP*

LFR5206-25NPP

R 5206-25 2RS

425

25

25

72

23.8

25.8

43.5

0.6

29.2

16.4

23.1

LFR 5207-30 KDD*

LFR5207-30KDD

R 5207-30 ZZ

660

30

30

80

27

29

51

1

38

20.8

21.4

LFR 5207-30 NPP*

LFR5207-30NPP

R 5207-30 2RS

660

30

30

80

27

29

51

1

38

20.8

21.4

LFR 5208-40 KDD*

LFR5208-40KDD

R 5208-40 ZZ

1360

40

40

98

36

38

62.5

1

54.8

29

55

LFR 5208-40 NPP*

LFR5208-40NPP

R 5208-40 2RS

1360

40

40

98

36

38

62.5

1

54.8

29

55

LFR 5308-50 KDD*

LFR5308-50KDD

R 5308-50 ZZ

1400

50

40

110

44

46

72.5

1.1

53

39.5

69

LFR 5308-50 NPP*

LFR5308-50NPP

R 5308-50 2RS

1400

50

40

110

44

46

72.5

1.1

53

39.5

69
 
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