BTL Adjustable Speed V-pulleys

Raydafon Group's BTL Adjustable Speed V-pulleys deliver precision control for industrial machinery, featuring durable materials and innovative design. Ideal for engineers and manufacturers, these pulleys enhance efficiency and reduce downtime, offering superior performance and reliability for seamless operations.

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Product Description

NSPT taper pulleys of A/B-C-D series with maximum outside diameter of 50" and maximum groove number of 12, can be equipped with bushes of BTL or QTL series and supply to various mechanical devices of V-belt transmission.

Part No.

Type

Bush

O.D

Bore
max

set
screws

min

max

min

max

TB37-1

1108

3.66

17/16

11/8

1-2

13/16

2.25
2.32

3.10
3.35

1/4x1/4

9-16

19/16

115/16

3/8x5/16
1/2x5/16

TB42-1

1215

4.25

11/2

13/16

11/4

1-2

13/16

2.68
2.76
2.95
3.00

3.65
4.00
3.70
4.00

1/4x1/7

23/8

3/8x5/16
1/2x5/16
3V
4L/A

TB47-1

1215

4.72

11/2

13/16

11/4

1-2

13/16

3.15
3.25
3.43
3.46

4.10
4.40
4.15
4.50

1/4x1/7

23/8

3/8x5/16
1/2x5/16
3V
4L/A

TB55-1

1615

5.45

11/2

13/16

113/16

1-2

13/16

3.86
3.94
4.15
4.20

4.80
5.10
4.85
5.20

1/4x1/4

3/8x5/16
1/2x5/16
3V
4L/A

TB63-1

1615

6.30

13/4

17/16

113/16

11-16

11/16

4.25
4.40
4.50
4.60

5.45
5.90
5.50
6.00

5/16x5/16

1-4

25/16

1/2x5/16
21/32x13/32
4L/A
5V/B

TB71-1

2012

7.10

13/4

17/16

115/16

11-16

11/16

5.05
5.20
5.30
5.40

6.20
6.70
6.30
6.80

5/16x5/16

1-2

213/16

31/2

1/2x5/16
21/32x13/32
4L/A
5V/B

TB79-1

2012

7.90

13/4

17/16

115/16

11-16

11/16

5.80
6.00
6.10
6.30

7.00
7.50
7.10
7.60

5/16x5/16

1-2

213/16

31/2

1/2x5/16
21/32x13/32
4L/A
5V/B

BTL Adjustable Speed V-pulleys

Part No.

Bush

O.D

dmax

set
screws

min

max

min

max

TB42-2

1215

4.25

27/8

25/16

11/4

1-2

13/16

2.68
2.76
2.95
3.00

3.65
4.00
3.70
4.00

1/4x1/4

13/8

115/16

23/8

3/8x5/16
1/2x5/16
3V
4L/A

TB47-2

1215

4.72

27/8

25/16

11/4

1-2

13/16

3.15
3.25
3.43
3.46

4.10
4.40
4.15
4.50

1/4x1/4

13/8

115/16

23/8

3/8x5/16
1/2x5/16
3V
4L/A

TB55-2

1615

5.45

27/8

25/16

15/8

1-2

13/16

3.86
3.94
4.15
4.20

4.80
5.10
4.85
5.20

1/4x1/4

13/8

25/16

3/8x5/16
1/2x5/16
3V
4L/A

TB63-2

1615

6.30

37/16

211/16

15/8

11-16

11/16

4.25
4.40
4.50
4.60

5.45
5.90
5.50
6.00

5/16x5/16

115/16

25/16

1/2x5/16
21/32x13/32
4L/A
5V/B

TB71-2

2012

7.10

37/16

211/16

115/16

11-16

11/16

5.05
5.20
5.30
5.40

6.20
6.70
6.30
6.80

5/16x5/16

23/16

213/16

31/2

1/2x5/16
21/32x13/32
4L/A
5V/B

TB79-2

2012

7.90

37/16

211/16

115/16

11-16

11/16

5.80
6.00
6.10
6.30

7.00
7.50
7.10
7.60

5/16x5/16

23/16

213/16

31/2

1/2x5/16
21/32x13/32
4L/A
5V/B

BTL Adjustable Speed V-pulleys

Part No.	Type	Bush	O.D	L	L1	dmax	b1		d1		set screws	B	d2	d3
Part No.	Type	Bush	O.D	L	L1	dmax	min	max	min	max	set screws	B	d2	d3
TB093-1	2	1108	93	36.5	29	28	13	20.5	60 63	78 85	M6x6	13.5	39	50	Z10x6 A13x8
TB108-1	1	1215	108	38	30.5	32	13	20.5	75 78 80 83	92 100 92 100	M6x6	-	-	60	Z10x6 A13x8 SPZ SPA
TB120-1	1	1215	120	38	30.5	32	13	20.5	87 90 92 95	104 112 104 112	M6x6	-	-	60	Z10x6 A13x8 SPZ SPA
TB138-1	1	1615	138	38	30.5	42	13	20.5	105 108 110 113	122 130 122 130	M6x6	-	-	75	Z10x6 A13x8 SPZ SPA
TB160-1	2	1615	160	45	35.5	42	17	26.5	117 120 122 128	138 150 138 150	M8x8	6.5	58	75	A13x8 B17x11 SPA SPB
TB180-1	2	2012	180	45	35.5	50	17	26.5	137 140 142 148	158 170 158 170	M8x8	12.5	71	90	A13x8 B17x11 SPA SPB
TB200-1	2	2012	200	45	35.5	50	17	26.5	157 160 162 168	177 190 177 190	M8x8	12.5	71	90	A13x8 B17x11 SPA SPB

BTL Adjustable Speed V-pulleys

Part No.	Bush	O.D	L	L1	dmax	b1		d1		set screws	B	d2	d3
Part No.	Bush	O.D	L	L1	dmax	min	max	min	max	set screws	B	d2	d3
TB108-2	1215	108	73	58	32	13	20.5	75 78 80 83	92 100 92 100	M6x6	34.5	48.5	60	Z10x6 A13x8 SPZ SPA
TB120-2	1215	120	73	58	32	13	20.5	87 90 92 95	104 112 104 112	M6x6	34.5	48.5	60	Z10x6 A13x8 SPZ SPA
TB138-2	1615	138	73	58	42	13	20.5	105 108 110 113	122 130 122 130	M6x6	34.5	58.5	75	Z10x6 A13x8 SPZ SPA
TB160-2	1615	160	87	68	42	17	26.5	117 120 122 128	138 150 138 150	M8x8	48.5	58.5	75	A13x8 B17x11 SPA SPB
TB180-2	2012	180	87	68	50	17	26.5	137 140 142 148	158 170 158 170	M8x8	54	71	90	A13x8 B17x11 SPA SPB
TB200-2	2012	200	87	68	50	17	26.5	157 160 162 168	177 190 177 190	M8x8	54	71	90	A13x8 B17x11 SPA SPB