FB Adjustable Speed V-pulleys

Raydafon Group's FB Adjustable Speed V-pulleys deliver precise speed control for industrial applications, featuring durable materials and innovative design to boost efficiency and reduce downtime. Ideal for engineers and manufacturers seeking reliable, high-performance solutions, they offer seamless operation and enhanced productivity, setting them apart with superior craftsmanship. Experience smoother operations and cost savings today!

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Product Description

Adjustable Speed VPulleys are VPulleys with muti-usage and adjustable speeds. They are available with standard straight bore and taper lock bore.

Adjustable Speed VPulleys are made of GG25 high-quality grey cast iron or other materials requested by the customers.The pulleys are machined by highly precise CNC，dynamically balanced and black coated.They have very high transmiting precision and efficiency.

FB Adjustable Speed V-pulleys

Spcfctn

Type

O.D

Stock Bores Marked"●"

Wt
Lbs.

Max

Min

Max

Min

1/2

5/8

3/4

7/8

11/8

11/4

13/8

15/8

1VP25
1VP30
1VP34
1VP40
1VP44A

1
1
1
1
1

2.50
2.87
3.15
3.75
4.15

13/16
13/16
1
11/16
11/16

9/16
9/16
11/16
11/16
11/16

5/8
5/8
13/16
7/8
7/8

3/8
3/8
1/2
1/2
1/2

11/2
121/32
17/8
17/8
17/8

5/8
19/32
21/32
21/32
21/32

●
●
●
●
●

●
●
●
●

●
●

0.8
0.9
1.2
1.7
1.9

1VP44B
1VP50A
1VP50B
1VP56A
1VP56B

2
1
2
1
2

4.15
4.75
4.75
5.35
5.35

11/8
11/16
11/8
11/16
11/8

3/4
11/16
3/4
11/16
3/4

7/8
7/8
7/8
7/8
7/8

1/2
1/2
1/2
1/2
11/2

17/8
2
17/8
17/8
17/8

11/16
25/32
11/16
21/32
11/16

●

●

●

●

●

2.6
1.9
2.9
2.7
3.4

1VP60
1VP60A
1VP62
1VP65
1VP65A

2
3
2
2
3

6.00
6.00
5.95
6.50
6.50

11/4
11/4
11/8
11/4
11/4

7/8
7/8
3/4
7/8
7/8

11/32
11/32
7/8
11/32
11/32

21/32
21/32
1/2
21/32
21/32

121/32
25/32
129/32
121/32
25/32

7/16
15/16
21/32
7/16
15/16

●

●

●
●

●

●

●
●

●

●

●
●

●

●

5.5
5.3
5.7
5.8
5.5

1VP68
1VP71
1VP71A
1VP75
1VP75A

2
2
3
2
3

6.55
7.10
7.10
7.50
7.50

11/8
11/4
11/4
11/4
11/4

3/4
7/8
7/8
7/8
7/8

7/8
11/32
11/32
11/32
11/32

1/2
21/32
21/32
21/32
21/32

129/32
121/32
25/32
121/32
25/32

21/32
7/16
15/16
7/16
15/16

●

●
●

●

●

●
●

●

●
●

●
●

●

●

●

6.4
6.8
6.5
7.3
7.0

FB Adjustable Speed V-pulleys

Part No.	Diameter range												Stock bores marked "X"
	"3L" Belts				"4L" or "A" Belts				"5L" or "B" Belts
	Min. Pitch	Turns Open	Max. Pitch	Turns Open	Min. Pitch	Turns Open	Max. Pitch	Turns Open	Min. Pitch	Turns Open	Max. Pitch	Turns Open	1/2	5/8	3/4	7/8
CVL 25 CVL 30	1.6 1.8	4 4	2.4 2.7	0 0	- -	- -	- -	- -	- -	- -	- -	- -	● ●	● ●
CVL 34 CVL 40 CVL 44 CVM 50	1.7 2.3 2.7 3.3	4 4 4 4	2.5 3.1 3.5 4.1	0 0 0 0	1.9 2.4 2.8 3.4	5 5 5 5	2.9 3.4 4.4 4.4	0 0 0 0	2.4 2.7 3.1 3.7	5 6 6 6	3.2 3.7 4.1 4.7	1 1 1 1	● ● ● ●	● ● ● ●	● ● ● ●	● ● ●

Part No.	Dimensions							Wt. Lbs.
	OD	F		G		L	K
		Max	Min.	Max.	Min.
CVL25 CVL30	2.50" 2.87	25/32" 25/32	17/32" 17/32	5/8" 5/8	3/8" 3/8	11/2" 11/2	37/64" 37/64	0.8 1.0

CVL34 CVL40 CVL44 CVM50	3.15 3.75 4.15 4.75	1 1 1 11/16	5/8 5/8 5/8 11/16	7/8 7/8 7/8 7/8	1/2 1/2 1/2 1/2	111/16 111/16 111/16 17/8	37/64 37/64 37/64 21/32	1.1 1.3 1.3 2.8

FB Adjustable Speed V-pulleys

Part No.	OD	D	Bore max	L	set screws	dr			wt Lbs
Part No.	OD	D	Bore max	L	set screws	min	max		wt Lbs
SB33-1	3.26	19/16	7/8	17/8	1/4x1/4	2.48 2.25	3.11 3.00	3V 3/8x5/16	1.86
SB37-1	3.66	17/8	1	17/8	1/4x1/4	2.65 2.60 2.40 2.36	3.50 3.45 3.45 3.35	3V 4L/A 3/8x5/16 1/2x5/16	2.14
SB42-1	4.25	115/16	11/8	17/8	1/4x1/4	3.10 3.20 2.90 2.95	3.70 4.05 3.68 4.00	3V 4L/A 3/8x5/16 1/2x5/16	3.42
SB47-1	4.72	21/4	11/8	17/8	1/4x1/4	3.60 3.70 3.40 3.50	4.20 4.55 4.20 4.50	3V 4LA 3/8x5/16 12n516	3.63
SB55-1	5.45	21/4	11/2	17/8	1/4x1/4	4.30 4.40 4.60 4.10 4.15 4.30	4.88 5.20 5.16 4.85 5.10 5.05	3V 4L/A 5V/B 3/8x5/16 1/2x5/16 21/32x13/32	5.40
SB63-1	6.30	31/8	21/16	21/16	5/16x5/16	4.70 4.80 5.00 4.50 4.55 4.70	5.30 5.60 6.00 5.25 5.75 5.90	3V 4L/A 5V/B 3/8x5/16 1/2x5/16 21/32x13/32	9.34
SB71-1	7.10	31/8	21/16	21/16	5/16x5/16	5.55 5.75 5.30 5.50	6.40 6.80 6.35 6.70	4L/A 5V/B 1/2x5/16 21/32x13/32	11.20

FB Adjustable Speed V-pulleys

Part No.	OD	D	Bore max	L	set screws	dr			wt Lbs
Part No.	OD	D	Bore max	L	set screws	min	max		wt Lbs
SB33-2	3.26	19/16	7/8	3"	1/4x1/4	2.48 2.25	3.11 3.00	3V 3/8x5/16	3.10
SB37-2	3.66	17/8	1	3"	1/4x1/4	2.65 2.60 2.40 2.36	3.50 3.45 3.45 3.35	3V 4L /A 3/8x5/16 1/2x5/16	3.63
SB42-2	4.25	115/16	11/8	3"	1/4x1/4	3.10 3.20 2.90 2.95	3.70 4.05 3.68 4.00	3V 4L/A 3/8x5/16 1/2x5/16	4.46
SB47-2	4.72	21/4	11/8	3"	1/4x1/4	3.60 3.70 3.40 3.50	4.20 4. 55 4.20 4.50	3V 4L/A 3/8x5/16 1/2x5/16	5.60
SB55-2	5.45	21/4	11/2	3"	1/4x1/4	4.30 4.40 4.60 4.10 4.15 4.30	4.88 5.20 5.16 4.85 5.10 5.05	3V 4LA 5V/B 3/8x5/16 1/2x5/16 21/32x1332	9.34
SB63-2	6.30	31/8	21/16	39/16	5/16x5/16	4.70 4.80 5.00 4.50 4.55 4.70	5.30 5.60 6.00 5.25 5.75 5.90	3V 4L/A 5V/B 3/8x5/16 1/2x5/16 21/32x13/32	15.60
SB71-2	7.10	31/8	21/16	39/16	5/16x5/16	5.55 5.75 5.30 5.50	6.40 6.80 6.35 6.70	4L/A 5V/B 1/2x5/16 21/32x13/32	19.10

FB Adjustable Speed V-pulleys

Part No.	O.D	D	Bore dmax	B	set screws	dr			kg
Part No.	O.D	D	Bore dmax	B	set screws	min	max		kg
SB083-1	83	40	26	48	M6x6	58 53	72 72	SPZ Z10x6	0.90
SB093-1	93	45	28	48	M6x6	65 68 60 63	78 85 78 85	SPZ SPA Z10x6 A13x8	1.03
SB108-1	108	50	28	48	M6x6	80 83 75 78	93 100 93 100	SPZ SPA Z10x6 A13x8	1.65
SB120-1	120	55	28	48	M6x6	92 95 87 90	104 112 104 112	SPZ SPA Z10x6 A13x8	1.75
SB138-1	138	55	38	48	M6x6	110 113 119 115 108 111	122 130 131 122 130 128	SPZ SPA SPB Z10x6 A13x8 B17x11	2.60
SB160-1	160	80	52	53	M8x8	119 122 128 113 117 120	133 140 150 133 138 150	SPZ SPA SP8 Z10x6 A13x8 B17x11	4.50
SB180-2	180	80	52	90	M8x8	142 148 137 140	160 170 158 170	SPA SPB A13x8 B17x11	5.40

FB Adjustable Speed V-pulleys

Part No.	O.D	D	Bore dmax	B	set screws	dr			kg
Part No.	O.D	D	Bore dmax	B	set screws	min	max		kg
SB083-2	83	40	26	76	M6x6	58 53	72 72	SPZ Z10x6	1.50
SB093-2	93	45	28	76	M6x6	65 68 60 63	78 85 78 85	5PZ SPA Z10x6 A13x8	1.75
SB108-2	108	50	28	76	M6x6	80 83 75 78	93 100 93 100	SPZ SPA Z10x6 A13x8	2..15
SB120-2	120	55	28	76	M6x6	92 95 87 90	104 112 104 112	SPZ SPA Z10x6 A13x8	2.70
SB138-2	138	55	38	76	M6x6	110 113 119 115 108 111	122 130 131 122 130 128	SPZ SPA SPB Z10x6 A13x8 B17x 11	4.50
SB160-2	160	80	52	90	M8x8	119 122 128 113 117 120	133 140 150 133 138 150	SPZ SPA SPB Z10x6 A13x8 B17x 11	7.50
SB180-2	180	80	52	90	M8x8	142 148 137 140	160 170 158 170	SPA SPB A13x8 B17x 11	9.20