Adjustable Sheave Pulleys

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56 Products

Adjustable-Pitch V-Belt Drive Pulleys


1 Groove	2 Grooves	1 Groove	2 Grooves

Increase efficiency, vary speed, and extend the life of your drive by changing the pitch on these drive pulleys. Turn the sides of the pulley on the threaded hub to increase or decrease the pitch.

						Keyway
	No. of Grooves	For Shaft Dia.	Pitch Dia. (For Belt Trade Size)	Wd.	Overall Wd.	Wd.	Dp.	Material	Body Type	Includes		Each
3.15" OD



		1	1/2"	1.7" to 2.5" (3L), 1.9" to 2.9" (4L, A, AX), 2.4" to 3.2" (5L, B, BX)	21/32" to 31/32"	1 7/8"	—	—	Cast Iron	Solid	One Set Screw	6205K111	000000


		1	5/8"	1.7" to 2.5" (3L), 1.9" to 2.9" (4L, A, AX), 2.4" to 3.2" (5L, B, BX)	21/32" to 31/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K112	00000
		1	3/4"	1.7" to 2.5" (3L), 1.9" to 2.9" (4L, A, AX), 2.4" to 3.2" (5L, B, BX)	21/32" to 31/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K113	00000
		1	7/8"	1.7" to 2.5" (3L), 1.9" to 2.9" (4L, A, AX), 2.4" to 3.2" (5L, B, BX)	21/32" to 31/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K114	00000


		3.35" OD



				2	1/2"	2" to 2.8" (3L), 2.1" to 3.1" (4L, A), 2.4" to 3.2" (5L, B)	1 5/16" to 2"	3"	—	—	Cast Iron	Solid	One Set Screw	6205K771	000000


				2	5/8"	1.9" to 2.7" (3L), 2" to 3" (4L, A, AX), 2.5" to 3.3" (5L, B, BX)	1 3/8" to 2"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K12	000000
				2	3/4"	2" to 2.8" (3L), 2.1" to 3.1" (4L, A), 2.4" to 3.2" (5L, B)	1 5/16" to 2"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K772	000000
				2	7/8"	1.9" to 2.7" (3L), 2" to 3" (4L, A, AX), 2.5" to 3.3" (5L, B, BX)	1 3/8" to 2"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K14	000000


				3.75" OD



						1	1/2"	2.3" to 3.1" (3L), 2.4" to 3.4" (4L, A, AX), 2.7" to 3.7" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	—	—	Cast Iron	Solid	One Set Screw	6205K121	00000


						1	5/8"	2.3" to 3.1" (3L), 2.4" to 3.4" (4L, A, AX), 2.7" to 3.7" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K122	00000
						1	3/4"	2.3" to 3.1" (3L), 2.4" to 3.4" (4L, A, AX), 2.7" to 3.7" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K123	00000
						1	7/8"	2.3" to 3.1" (3L), 2.4" to 3.4" (4L, A, AX), 2.7" to 3.7" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K124	00000
						1	1"	2.7" to 3.5" (3L), 2.9" to 3.9" (4L, A, AX), 3" to 4" (5L, B, BX)	9/16" to 1"	1 3/4"	1/4"	1/8"	Cast Iron	Solid	Two Set Screws	6205K125	00000


						3.95" OD



								2	5/8"	2.5" to 3.3" (3L), 2.6" to 3.6" (4L, A, AX), 2.9" to 3.9" (5L, B, BX)	1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K16	000000


								2	3/4"	2.6" to 3.4" (3L), 2.7" to 3.7" (4L, A), 2.8" to 3.8" (5L, B)	1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K17	000000
								2	7/8"	2.5" to 3.3" (3L), 2.6" to 3.6" (4L, A, AX), 2.9" to 3.9" (5L, B, BX)	1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K18	000000
								2	1 1/8"	2.5" to 3.3" (3L), 2.6" to 3.6" (4L, A, AX), 2.9" to 3.9" (5L, B, BX)	1 3/8" to 2 1/8"	3"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K19	000000


								4.15" OD



										1	1/2"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	—	—	Cast Iron	Solid	One Set Screw	6205K131	00000


										1	5/8"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K132	00000
										1	3/4"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	21/32" to 1 1/32"	1 7/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K133	00000
										1	7/8"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K134	000000
										1	1"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K135	000000
										1	1 1/8"	2.7" to 3.5" (3L), 2.8" to 3.8" (4L, A, AX), 3.1" to 4.1" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K136	000000


										4.75" OD



	1										1/2"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	11/16" to 1 1/16"	1 15/16"	—	—	Cast Iron	Solid	One Set Screw	6205K141	000000


	1										5/8"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	11/16" to 1 1/16"	1 15/16"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K142	000000
	1										3/4"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	11/16" to 1 1/16"	1 15/16"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K143	000000
	1										7/8"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K144	000000
	1										1"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K145	000000
	1										1 1/8"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K146	000000
	2										5/8"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K22	000000
	2										3/4"	3.4" to 4.2" (3L), 3.5" to 4.5" (4L, A), 3.6" to 4.6" (5L, B)	1 3/8" to 2"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K774	000000
	2	7/8"									3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)	1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K24	000000
	2	1"	3.4" to 4.2" (3L), 3.5" to 4.5" (4L, A), 3.6" to 4.6" (5L, B)								1 3/8" to 2"	3"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K775	000000
	2	1 1/8"	3.3" to 4.1" (3L), 3.4" to 4.4" (4L, A, AX), 3.7" to 4.7" (5L, B, BX)								1 3/8" to 2 1/8"	3"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K26	000000


	5.35" OD



			1								7/8"	3.9" to 4.7" (3L), 4" to 5" (4L, A, AX), 4.3" to 5.3" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K152	000000


			1								1"	4" to 4.8" (3L), 4.1" to 5.1" (4L, A), 4.2" to 5.2" (5L, B)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K773	000000
			1	1 1/8"							3.9" to 4.7" (3L), 4" to 5" (4L, A, AX), 4.3" to 5.3" (5L, B, BX)	3/4" to 1 1/8"	2 5/32"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K154	000000
			2	7/8"	3.9" to 4.7" (3L), 4" to 5" (4L, A, AX), 4.3" to 5.3" (5L, B, BX)						1 3/8" to 2 1/8"	3"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K27	000000
			2	1 1/8"	3.9" to 4.7" (3L), 4" to 5" (4L, A, AX), 4.3" to 5.3" (5L, B, BX)						1 3/8" to 2 1/8"	3"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K29	000000


			5.95" OD



					2						1 1/8"	4.2" to 5.2" (4L, A, AX), 4.5" to 5.5" (5L, B, BX)	1 5/8" to 2 3/8"	3 1/4"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K33	000000


					2						1 3/8"	4.2" to 5.2" (4L, A, AX), 4.5" to 5.5" (5L, B, BX)	1 5/8" to 2 3/8"	3 1/4"	5/16"	5/32"	Cast Iron	Solid	One Set Screw	6205K35	000000


					6" OD



							2				3/4"	4.2" to 5.2" (4L, A), 4.4" to 5.6" (5L, B)	1 5/8" to 2 3/8"	3 1/4"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6205K776	000000


							2				1"	4.2" to 5.2" (4L, A), 4.4" to 5.6" (5L, B)	1 5/8" to 2 3/8"	3 1/4"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6205K777	000000


							6.5" OD



								1	3/4"			4.7" to 5.7" (4L, A, AX), 4.8" to 6" (5L, B, BX)	7/8" to 1 1/4"	2 7/32"	3/16"	3/32"	Cast Iron	Solid	Two Set Screws	6205K161	000000


								1	7/8"			4.7" to 5.7" (4L, A, AX), 4.8" to 6" (5L, B, BX)	7/8" to 1 1/4"	2 7/32"	3/16"	3/32"	Cast Iron	Solid	Two Set Screws	6205K162	000000
								1	1 1/8"			4.7" to 5.7" (4L, A, AX), 4.8" to 6" (5L, B, BX)	7/8" to 1 1/4"	2 7/32"	1/4"	1/8"	Cast Iron	Solid	Two Set Screws	6205K164	000000

Constant-Tension V-Belt Drive Pulleys

A built-in spring maintains tension on your belt.

For 4L, 5L, A, AX, B, BX Belts

						Keyway
No. of Grooves	OD	For Shaft Dia.	Pitch Dia.	Wd.	Overall Wd.	Wd.	Dp.	Material	Body Type	Includes		Each
1	3.25"	1/2"	1.91" to 3.15"	11/16"	2 3/8"	—	—	Cast Iron	Solid	One Set Screw	6568K11	000000
1	3.25"	5/8"	1.91" to 3.15"	11/16"	2 3/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K12	00000
1	3.25"	3/4"	1.91" to 3.15"	11/16"	2 3/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K13	00000
1	4"	1/2"	1.95" to 3.9"	11/16"	2 7/16"	—	—	Cast Iron	Solid	One Set Screw	6568K21	000000
1	4"	5/8"	1.95" to 3.9"	11/16"	2 7/16"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K22	000000
1	4"	3/4"	1.95" to 3.9"	11/16"	2 7/16"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K23	000000
1	5"	5/8"	2.37" to 4.84"	15/16"	3 5/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K32	000000
1	5"	3/4"	2.37" to 4.84"	15/16"	3 5/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K33	000000
1	5"	7/8"	2.37" to 4.84"	15/16"	3 5/8"	3/16"	3/32"	Cast Iron	Solid	One Set Screw	6568K34	000000
1	5"	1"	2.37" to 4.84"	15/16"	3 5/8"	1/4"	1/8"	Cast Iron	Solid	One Set Screw	6568K35	000000