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IDLERS

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CEMA-B 20º Troughed Idlers 4" & 5" Diameter Equal Length Rollers
Heavy 20mm (.787”) Precision, Permanent Sealed Bearings

20º Troughing Idler 4” Diameter

BELTWIDTH

IDLER
MODEL NO.

WT.

A

B

C

D

E

F

G

H

MOUNTING BOLT

REPLACEMENT
ROLL NO.

18

DBT-18-20-04

27

27

7

6 5/8

20 3/8

9 1/2

29

6

7 1/2

1/2

RBT-18-04

20

DBT-20-20-04

29

29

7

7 1/4

22 5/16

9 5/8

31

6

7 1/2

1/2

RBT-20-04

24

DBT-24-20-04

33

33

7

8 13/16

27

10 3/16

35

6

7 1/2

1/2

RBT-24-04

30

DBT-30-20-04

36

39

7

11

33 1/16

11

41

6

7 1/2

1/2

RBT-30-04

36

DBT-36-20-04

43

45

7

13 1/8

39 3/8

11 5/8

47

6

7 1/2

1/2

RBT-36-04

42

DBT-42-20-04

47

51

7 1/2

15 1/8

44 7/8

12 13/16

53

7 1/2

9

1/2

RBT-42-04

48

DBT-48-20-04

53

57

7 1/2

17 1/8

51

13 9/16

59

7 1/2

9

1/2

RBT-48-04

20º Troughing Idler 5” Diameter

BELT
WIDTH

IDLER
MODEL NO.

WT.

A

B

C

D

E

F

G

H

MOUNTING
BOLT

REPLACEMENT
ROLL NO.

18

DBT-18-20-05

27

27

7 1/2

6 5/8

20

10

29

6

7 1/2

1/2

RBT-18-05

20

DBT-20-20-05

29

29

7 1/2

7 1/4

22

10 1/16

31

6

7 1/2

1/2

RBT-20-05

24

DBT-24-20-05

33

33

7 1/2

8 13/16

27

10 5/8

35

6

7 1/2

1/2

RBT-24-05

30

DBT-30-20-05

36

39

7 1/2

11

29 3/4

11 3/8

41

6

7 1/2

1/2

RBT-30-05

36

DBT-36-20-05

43

45

7 1/2

13 1/8

39

12 1/8

47

6

7 1/2

1/2

RBT-36-05

42

DBT-42-20-05

47

51

8

15 1/8

44

13 1/8

53

7 1/2

9

1/2

RBT-42-05

48

DBT-48-20-05

53

57

8

17 1/8

50 5/8

14

59

7 1/2

9

1/2

RBT-48-05

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All dimensions and specifications subject to change without notice. Certified dimensions and specifications of ordered material available on request.
Copyright © 2007, Douglas Manufacturing Co., Inc., Pell City, AL 35125-1515, (205) 884-1200, sales@douglasmanufacturing.com. All rights reserved.