Lead Screw Supports | McMaster-Carr

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16 Products

End Supports for Ball Screws and Precision Lead Screws

A set of ball bearings reduces friction and secures the end of a ball or lead screw. Note: The end of your ball or lead screw must be machined before installing it into an end support.

For Radial Loads About For Radial Loads

Image of Product. Front orientation. Contains Annotated. End Supports for Ball Screws and Precision Lead Screws. For Radial Loads.

End supports for radial loads handle loads perpendicular to the lead screw.

							Face Mounting Holes			Top Mounting Holes
	ID	Ht.	Ctr. Ht.	Wd.	Dp.	No. of Mounting Holes	Dia.	Ctr.-to-Ctr. Wd.	Ctr.-to-Ctr. Ht.	Dia.	Ctr.-to-Ctr. Wd.	Temp. Range, ° F		Each
Alloy Steel



		23/64"	2"	1"	2 3/4"	35/64"	6	9/32"	2"	1 3/8"	9/32"	2"	-40 to 210	000000000	0000000


		15/32"	1 7/8"	1"	3"	25/32"	6	9/32"	2 1/4"	1 1/8"	13/32"	2 1/4"	-40 to 210	000000000	000000
		19/32"	2 1/8"	1 1/8"	3 1/2"	1 55/64"	6	9/32"	2 1/2"	1 3/8"	13/32"	2 1/2"	-40 to 210	000000000	000000
		25/32"	2 3/4"	1 7/16"	4 1/2"	1 7/64"	6	15/32"	3 1/4"	1 3/4"	21/32"	3 1/4"	-40 to 210	0000000	000000
		1 3/16"	3 5/8"	1 7/8"	6 1/2"	1 21/32"	6	21/32"	4 3/4"	2"	29/32"	4 3/4"	-40 to 210	000000000	000000

For Combined Radial and Thrust Loads About For Combined Radial and Thrust Loads

Image of Product. Front orientation. Contains Annotated. End Supports for Ball Screws and Precision Lead Screws. For Combined Radial and Thrust Loads.

End supports for combined radial and thrust loads handle radial loads (perpendicular to the lead screw) and thrust loads (parallel to the lead screw).

						Combined Load Cap., lbf			Face Mounting Holes			Top Mounting Holes
	ID	Ht.	Ctr. Ht.	Wd.	Dp.	Static	Dynamic	No. of Mounting Holes	Dia.	Ctr.-to-Ctr. Wd.	Ctr.-to-Ctr. Ht.	Dia.	Ctr.-to-Ctr. Wd.	Temp. Range, ° F		Each
Alloy Steel



		23/64"	2"	1"	2 3/4"	1 3/16"	1,000	440	6	9/32"	2"	1 3/8"	9/32"	2"	-40 to 210	00000000	0000000


		15/32"	1 7/8"	1"	3"	1 11/32"	1,600	630	6	9/32"	2 1/4"	1 1/8"	13/32"	2 1/4"	-40 to 210	00000000	000000
		19/32"	2 1/8"	1 1/8"	3 1/2"	1 1/2"	2,300	1,050	6	9/32"	2 1/2"	1 3/8"	13/32"	2 1/2"	-40 to 210	00000000	000000
		43/64"	2 3/8"	1 1/4"	4"	1 21/32"	3,200	1,550	6	13/32"	2 7/8"	1 3/8"	17/32"	2 7/8"	-40 to 210	000000000	000000
		25/32"	2 3/4"	1 7/16"	4 1/2"	1 7/8"	3,200	1,800	6	15/32"	3 1/4"	1 3/4"	21/32"	3 1/4"	-40 to 210	00000000	000000
		63/64"	3 3/8"	1 3/4"	6"	1 15/16"	3,750	2,100	6	21/32"	4 1/4"	2"	29/32"	4 1/4"	-40 to 210	00000000	00000000
		1 3/16"	3 5/8"	1 7/8"	6 1/2"	2 1/16"	5,200	3,050	6	21/32"	4 3/4"	2"	29/32"	4 3/4"	-40 to 210	00000000	00000000
		1 49/64"	5 5/8"	2 13/16"	8 1/2"	3 15/32"	15,000	9,000	10	13/16"	6 5/8"	3 5/8"	1 1/32"	6 5/8"	-40 to 210	00000000	00000000


		Carbon Steel



				12 mm	43 mm	25 mm	60 mm	34 mm	730	1,450	4	—	—	—	6.6 mm	46 mm	0 to 160	0000000	000000


				15 mm	48 mm	28 mm	70 mm	38 mm	890	1,700	4	—	—	—	6.6 mm	54 mm	0 to 160	0000000	000000
				17 mm	64 mm	39 mm	86 mm	51 mm	1,300	3,050	4	—	—	—	9 mm	68 mm	0 to 160	0000000	000000