Triple V-Belt Pulleys | McMaster-Carr

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115 Products

Quick-Disconnect (QD) Bushing-Bore V-Belt Drive Pulleys

The same drive pulley can be used with different shaft diameters; choose a compatible quick-disconnect bushing with the bore size you need.

For A, AX and B, BX Belts


3 Grooves

No. of Grooves	OD	Pitch Dia. (For Belt Trade Size)	Wd.	Groove Dp.	For Bushing Trade No.	Material	Body Type	Each
3	3.75"	3" (A, AX), 3.4" (B, BX)	2 1/2"	0.58"	SH	Steel	Solid	000000
3	3.95"	3.2" (A, AX), 3.6" (B, BX)	2 1/2"	0.58"	SH	Steel	Solid	00000
3	4.15"	3.4" (A, AX), 3.8" (B, BX)	2 1/2"	0.58"	SH	Steel	Solid	00000
3	4.55"	3.8" (A, AX), 4.2" (B, BX)	2 1/2"	0.58"	SH	Steel	Solid	000000
3	4.75"	4" (A, AX), 4.4" (B, BX)	2 1/2"	0.58"	SH	Steel	Solid	000000
3	4.95"	4.2" (A, AX), 4.6" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	5.15"	4.4" (A, AX), 4.8" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	5.35"	4.6" (A, AX), 5" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	5.55"	4.8" (A, AX), 5.2" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	5.75"	5" (A, AX), 5.4" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	5.95"	5.2" (A, AX), 5.6" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	6.15"	5.4" (A, AX), 5.8" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	6.35"	5.6" (A, AX), 6" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	6.55"	5.8" (A, AX), 6.2" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	6.75"	6" (A, AX), 6.4" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	6.95"	6.2" (A, AX), 6.6" (B, BX)	2 1/2"	0.58"	SD	Steel	Solid	000000
3	7.15"	6.4" (A, AX), 6.8" (B, BX)	2 1/2"	0.58"	SD	Cast Iron	Solid	000000
3	7.35"	6.6" (A, AX), 7" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Solid	000000
3	7.75"	7" (A, AX), 7.4" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Solid	000000
3	8.35"	7.6" (A, AX), 8" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Solid	000000
3	8.95"	8.2" (A, AX), 8.6" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Solid	000000
3	9.75"	9" (A, AX), 9.4" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Solid	000000
3	11.35"	10.6" (A, AX), 11" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Spoked	000000
3	12.75"	12" (A, AX), 12.4" (B, BX)	2 1/2"	0.58"	SK	Cast Iron	Spoked	000000

For A and B Belts


4 Grooves	6 Grooves	10 Grooves

No. of Grooves	OD	Pitch Dia. (For Belt Trade Size)	Wd.	Groove Dp.	For Bushing Trade No.	Material	Body Type	Each
4	3.75"	3" (A), 3.4" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	000000
4	3.95"	3.2" (A), 3.6" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	4.15"	3.4" (A), 3.8" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	4.35"	3.6" (A), 4" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	4.55"	3.8" (A), 4.2" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	4.75"	4" (A), 4.4" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	4.95"	4.2" (A), 4.6" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	5.15"	4.4" (A), 4.8" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	5.35"	4.6" (A), 5" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	5.55"	4.8" (A), 5.2" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	5.75"	5" (A), 5.4" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	5.95"	5.2" (A), 5.6" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	6.15"	5.4" (A), 5.8" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	6.34"	5.6" (A), 6" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	00000
4	6.55"	5.8" (A), 6.2" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	000000
4	6.75"	6" (A), 6.4" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	000000
4	6.95"	6.2" (A), 6.6" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	000000
4	7.15"	6.4" (A), 6.8" (B)	3 1/4"	0.55"	SD	Cast Iron	Solid	000000
4	7.35"	6.6" (A), 7" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	7.75"	7" (A), 7.4" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	8.35"	7.6" (A), 8" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	8.95"	8.2" (A), 8.6" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	9.75"	9" (A), 9.4" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	11.35"	10.6" (A), 11" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
4	12.75"	12" (A), 12.4" (B)	3 1/4"	0.55"	SK	Cast Iron	Solid	000000
6	3.75"	3" (A), 3.4" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	3.95"	3.2" (A), 3.6" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	4.15"	3.4" (A), 3.8" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	4.35"	3.6" (A), 4" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	4.55"	3.8" (A), 4.2" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	4.75"	4" (A), 4.4" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	4.95"	4.2" (A), 4.6" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	5.15"	4.4" (A), 4.8" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	5.35"	4.6" (A), 5" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	5.55"	4.8" (A), 5.2" (B)	4 3/4"	0.55"	SD	Cast Iron	Spoked	000000
6	5.75"	5" (A), 5.4" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	5.95"	5.2" (A), 5.6" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	6.15"	5.4" (A), 5.8" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	6.34"	5.6" (A), 6" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	6.55"	5.8" (A), 6.2" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	6.75"	6" (A), 6.4" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	6.95"	6.2" (A), 6.6" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	7.15"	6.4" (A), 6.8" (B)	4 3/4"	0.55"	SK	Cast Iron	Spoked	000000
6	7.35"	6.6" (A), 7" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	7.75"	7" (A), 7.4" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	8.35"	7.6" (A), 8" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	8.95"	8.2" (A), 8.6" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	9.75"	9" (A), 9.4" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	11.35"	10.6" (A), 11" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
6	12.75"	12" (A), 12.4" (B)	4 3/4"	0.55"	SF	Cast Iron	Spoked	000000
10	5.75"	5" (A), 5.4" (B)	7 3/4"	0.55"	SK	Cast Iron	Spoked	000000
10	6.75"	6" (A), 6.4" (B)	7 3/4"	0.55"	SF	Cast Iron	Spoked	000000
10	7.15"	6.4" (A), 6.8" (B)	7 3/4"	0.55"	SF	Cast Iron	Spoked	000000
10	7.75"	7" (A), 7.4" (B)	7 3/4"	0.55"	SF	Cast Iron	Spoked	000000
10	8.95"	8.2" (A), 8.6" (B)	7 3/4"	0.55"	E	Cast Iron	Spoked	000000
10	11.35"	10.6" (A), 11" (B)	7 3/4"	0.55"	E	Cast Iron	Spoked	000000

For 3V Belts


3 Grooves	4 Grooves	6 Grooves	10 Grooves

Image of Attribute. Front orientation. Contains Annotated. Quick-Disconnect (QD) Bushing-Bore V-Belt Drive Pulleys.

No. of Grooves	OD	Pitch Dia. (For Belt Trade Size)	Wd.	Groove Dp.	For Bushing Trade No.	Material	Body Type	Each
3	3.35"	3.3" (3V)	1 1/2"	0.34"	SH	Cast Iron	Solid	000000
3	3.65"	3.6" (3V)	1 1/2"	0.34"	SH	Cast Iron	Solid	00000
3	4.12"	4.07" (3V)	1 1/2"	0.34"	SH	Cast Iron	Solid	00000
3	5"	4.95" (3V)	1 1/2"	0.34"	SDS	Cast Iron	Solid	00000
4	3.35"	3.3" (3V)	1 29/32"	0.34"	SH	Cast Iron	Solid	00000
4	3.65"	3.6" (3V)	1 29/32"	0.34"	SH	Cast Iron	Solid	00000
4	4.12"	4.07" (3V)	1 29/32"	0.34"	SH	Cast Iron	Solid	00000
4	5"	4.95" (3V)	1 29/32"	0.34"	SDS	Cast Iron	Solid	00000
6	5"	4.95" (3V)	2 23/32"	0.34"	SK	Cast Iron	Solid	00000
10	5"	4.95" (3V)	4"	0.34"	SK	Cast Iron	Solid	000000

Adjustable-Speed V-Belt Drive Pulleys


3 Grooves	4 Grooves

Also known as step-cone pulleys, these have multiple groove sizes so you can quickly change rotation speed by moving your belt to a different groove. Use with fractional-horsepower motors for drives with frequent speed changes.

						Keyway
	No. of Grooves	OD (Pitch Dia.)	For Shaft Dia.	Wd.	Groove Dp.	Wd.	Dp.	Material	Body Type	Includes		Each
For 4L, A Belts



		3	2" (1.75"), 3" (2.75"), 4" (3.75")	1/2"	1 7/8"	0.5"	—	—	Zinc	Solid	One Set Screw	0000000	000000


		3	2" (1.75"), 3" (2.75"), 4" (3.75")	5/8"	1 7/8"	0.5"	3/16"	3/32"	Zinc	Solid	One Set Screw	0000000	00000
		3	2" (1.75"), 3" (2.75"), 4" (3.75")	3/4"	1 7/8"	0.5"	3/16"	3/32"	Zinc	Solid	One Set Screw	0000000	00000
		3	3" (2.75"), 3.5" (3.25"), 4" (3.75")	1/2"	1 3/4"	0.5"	—	—	Zinc	Solid	One Set Screw	0000000	00000
		4	2" (1.75"), 2.5" (2.25"), 3.5" (3.25"), 4" (3.75")	1/2"	2 1/2"	0.5"	—	—	Zinc	Solid	One Set Screw	0000000	00000
		4	2" (1.75"), 2.5" (2.25"), 3.5" (3.25"), 4" (3.75")	5/8"	2 1/2"	0.5"	3/16"	3/32"	Zinc	Solid	One Set Screw	0000000	00000
		4	2" (1.75"), 2.5" (2.25"), 3.5" (3.25"), 4" (3.75")	3/4"	2 1/2"	0.5"	3/16"	3/32"	Zinc	Solid	One Set Screw	0000000	00000

Taper-Lock Bushing-Bore V-Belt Drive Pulleys

Mount these drive pulleys with a taper-lock bushing for a tight, wobble-free hold on your shaft. These pulleys transfer force from the shaft to a V-belt in a power transmission system, and also help with misalignment. Made of cast iron, these pulleys are durable and resist wear.

Depending on the taper-lock bushing you choose, the same drive pulley can be used with different shaft diameters.

For SPA and XPA Belts


3 Grooves

No. of Grooves	OD, mm	Pitch Dia., mm	Wd., mm	Overall Wd., mm	Groove Dp., mm	For Bushing Type	Material	Body Type		Each
3	90.6	85	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	000000
3	95.6	90	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	00000
3	111.6	106	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	00000
3	123.6	118	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	00000
3	130.6	125	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	00000
3	145.6	140	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	000000
3	155.6	150	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	000000
3	165.6	160	50	50	13.8	Taper Lock	Cast Iron	Solid	00000000	000000
3	205.6	200	50	50	13.8	Taper Lock	Cast Iron	Solid	0000000	000000

For SPB and XPB Belts


3 Grooves

No. of Grooves	OD, mm	Pitch Dia., mm	Wd., mm	Overall Wd., mm	Groove Dp., mm	For Bushing Type	Material	Body Type		Each
3	167	160	63	63	17.5	Taper Lock	Cast Iron	Solid	00000000	0000000
3	187	180	63	63	17.5	Taper Lock	Cast Iron	Solid	0000000	000000
3	197	190	63	63	17.5	Taper Lock	Cast Iron	Solid	00000000	000000
3	231	224	63	63	17.5	Taper Lock	Cast Iron	Solid	00000000	000000
3	342	335	63	63	17.5	Taper Lock	Cast Iron	Solid	00000000	000000
3	457	450	63	89	17.5	Taper Lock	Cast Iron	Solid	00000000	000000

For SPZ and XPZ Belts


3 Grooves

No. of Grooves	OD, mm	Pitch Dia., mm	Wd., mm	Overall Wd., mm	Groove Dp., mm	For Bushing Type	Material	Body Type	Each
3	89	85	40	40	11	Taper Lock	Cast Iron	Solid	000000
3	116	112	40	40	11	Taper Lock	Cast Iron	Solid	00000
3	136	132	40	40	11	Taper Lock	Cast Iron	Solid	00000