Shaft Support Rails | McMaster-Carr

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Width

End-to-Mounting Hole Length

Overall Width

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REACH

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Support Rail Material

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Highly Wear Resistant

Surface Smoothness

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117 Products

Support-Rail Shafts

Attached support rails prevent bending or bearing misalignment under moderate to heavy loads. Pair with linear bearings to create smooth, precise motion. These linear shafts are turned, ground, and polished to tight tolerances and hardened to resist wear.

Steel—Stronger than aluminum and stainless steel. These shafts are best for dry environments since moisture will cause them to rust.

Highly Wear-Resistant 440C Stainless Steel—Balancing strength, wear resistance, and corrosion resistance, these shafts can handle moisture and mild cleaning solutions.

Lightweight Ceramic-Coated Aluminum—Lightweight and corrosion resistant with an ultra-hard, slippery ceramic coating for wear resistance. Even contaminants such as weld spatter, molten glass, and paint won't stick to these shafts. While the coating is hard, they have a soft core, so they should be used with linear sleeve bearings to avoid denting the shaft.

Surface Smoothness—The lower the microinch value, the smoother the finish and the less friction it will cause on the bearing.

	Shafts											Replacement Shafts
	Lg.	Dia. Tolerance	Ctr. Ht.	Overall Wd.	Mounting Hole Dia.	Hardness	Hardness Rating	Surface Smoothness, μin	Support Rail Material		Each		Each
Steel







				1/2" Diameter

				24"	-0.001" to -0.0005"	1 1/8"	1 1/2"	5/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	0000000	0000000	0000000


				48"	-0.001" to -0.0005"	1 1/8"	1 1/2"	5/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




						5/8" Diameter

						24"	-0.001" to -0.0005"	1 1/8"	1 5/8"	3/16"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000


						48"	-0.001" to -0.0005"	1 1/8"	1 5/8"	3/16"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




								3/4" Diameter

								24"	-0.001" to -0.0005"	1 1/2"	1 3/4"	7/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000


								48"	-0.001" to -0.0005"	1 1/2"	1 3/4"	7/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




										1" Diameter

										24"	-0.001" to -0.0005"	1 3/4"	2 1/8"	9/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000


										48"	-0.001" to -0.0005"	1 3/4"	2 1/8"	9/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




												1 1/4" Diameter

												24"	-0.001" to -0.0005"	2 1/8"	2 1/2"	11/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000


												48"	-0.001" to -0.0005"	2 1/8"	2 1/2"	11/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




														1 1/2" Diameter

														24"	-0.0011" to -0.0006"	2 1/2"	3"	11/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000


														48"	-0.0011" to -0.0006"	2 1/2"	3"	11/32"	Rockwell C60	Extra Hard	8	6061 Aluminum	00000000	000000	0000000	000000




														12 mm Diameter

		600 mm												-0.011 mm to 0 mm	28 mm	43 mm	4.5 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0


		1,200 mm	-0.011 mm to 0 mm											28 mm	43 mm	4.5 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0




														16 mm Diameter

				600 mm										-0.011 mm to 0 mm	30 mm	48 mm	5.5 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0


				1,200 mm	-0.011 mm to 0 mm									30 mm	48 mm	5.5 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0




														20 mm Diameter

						600 mm								-0.013 mm to 0 mm	38 mm	56 mm	6.6 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0


						1,200 mm	-0.013 mm to 0 mm							38 mm	56 mm	6.6 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0




														25 mm Diameter

								1,200 mm						-0.013 mm to 0 mm	42 mm	60 mm	6.6 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0




														30 mm Diameter

														1,200 mm	-0.013 mm to 0 mm	53 mm	74 mm	9 mm	Rockwell C60	Extra Hard	12	6063 Aluminum	00000000	000000	———	0


										Highly Wear-Resistant 440C Stainless Steel







																1/2" Diameter

																24"	-0.001" to -0.0005"	1 1/8"	1 1/2"	5/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000


												48"	-0.001" to -0.0005"			1 1/8"	1 1/2"	5/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000




																5/8" Diameter

24"																-0.001" to -0.0005"	1 1/8"	1 5/8"	3/16"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000


48"	-0.001" to -0.0005"															1 1/8"	1 5/8"	3/16"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000




																3/4" Diameter

		24"														-0.001" to -0.0005"	1 1/2"	1 3/4"	7/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000


		48"	-0.001" to -0.0005"													1 1/2"	1 3/4"	7/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000




																1" Diameter

				24"												-0.001" to -0.0005"	1 3/4"	2 1/8"	9/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000


				48"	-0.001" to -0.0005"											1 3/4"	2 1/8"	9/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000




																1 1/4" Diameter

						24"										-0.001" to -0.0005"	2 1/8"	2 1/2"	11/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	0000000	000000


						48"	-0.001" to -0.0005"									2 1/8"	2 1/2"	11/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	00000000	———	0




								1 1/2" Diameter

								24"	-0.0011" to -0.0006"							2 1/2"	3"	11/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	000000	———	0


								48"	-0.0011" to -0.0006"							2 1/2"	3"	11/32"	Rockwell C50	Extra Hard	8	6061 Aluminum	0000000	00000000	0000000	000000


								Lightweight Ceramic-Coated Aluminum







														1/2" Diameter

														6"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0


														9"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0
														12"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0
														18"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0
												24"		-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0




														3/4" Diameter

														6"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0


9"	-0.0012" to -0.0004"													1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0
12"	-0.0012" to -0.0004"													1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0
18"	-0.0012" to -0.0004"													1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0
24"	-0.0012" to -0.0004"													1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0




		1" Diameter

		6"	-0.0012" to -0.0004"											1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0


		9"	-0.0012" to -0.0004"											1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	00000	———	0
		12"	-0.0012" to -0.0004"											1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0
		18"	-0.0012" to -0.0004"											1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0
		24"	-0.0012" to -0.0004"											1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	0000000	000000	———	0

Linear Shaft Support Rails

Support rails provide stability over the entire length of shaft and eliminate bending under moderate to heavy loads. Made of lightweight, corrosion-resistant aluminum, they are designed for use with linear shafts and bearings. Cut to size or mount end-to-end to make longer lengths. Mounting holes match those on our Shafts for Support Rails; attach using socket head screws (not included).

							Mounting Hole
	Lg.	Lg. Tolerance	Bottom-to-Shaft Ht.	Shaft Groove Wd.	Overall Wd.	End-to-Mounting Hole Lg.	Ctr.-to-Ctr. Lg.	Ctr.-to-Ctr. Wd.	Dia.	Mounting Fasteners Included	Shaft Mounting Hole Thread Size	For Shaft Mounting Fastener Lg.		Each
6061 Aluminum (T6 Temper)







				For 1/2" Diameter Shafts

				24"	-0.13" to 0.13"	0.875"	1/4"	1 1/2"	2"	4"	1"	5/32"	No	6-32	1"	0000000	0000000


				48"	-0.13" to 0"	0.875"	1/4"	1 1/2"	2"	4"	1"	5/32"	No	6-32	1"	0000000	000000




						For 5/8" Diameter Shafts

						24"	-0.13" to 0.13"	0.813"	5/16"	1 5/8"	2"	4"	1 1/8"	3/16"	No	1/4"-20	7/8"	0000000	000000


						48"	-0.13" to 0"	0.813"	5/16"	1 5/8"	2"	4"	1 1/8"	3/16"	No	1/4"-20	7/8"	0000000	000000




								For 3/4" Diameter Shafts

								24"	-0.13" to 0.13"	1.125"	3/8"	1 3/4"	3"	6"	1 1/4"	7/32"	No	10-32	1 1/4"	0000000	000000


								48"	-0.13" to 0"	1.125"	3/8"	1 3/4"	3"	6"	1 1/4"	7/32"	No	10-32	1 1/4"	0000000	000000




										For 1" Diameter Shafts

										24"	-0.13" to 0.13"	1.25"	1/2"	2 1/8"	3"	6"	1 1/2"	9/32"	No	1/4"-20	1 1/2"	0000000	000000


										48"	-0.13" to 0"	1.25"	1/2"	2 1/8"	3"	6"	1 1/2"	9/32"	No	1/4"-20	1 1/2"	0000000	000000




												For 1 1/4" Diameter Shafts

												24"	-0.13" to 0.13"	1.5"	9/16"	2 1/2"	3"	6"	1 7/8"	11/32"	No	5/16"-18	1 3/4"	0000000	000000


												48"	-0.13" to 0"	1.5"	9/16"	2 1/2"	3"	6"	1 7/8"	11/32"	No	5/16"-18	1 3/4"	0000000	000000




														For 1 1/2" Diameter Shafts

														24"	-0.13" to 0.13"	1.75"	11/16"	3"	4"	8"	2 1/4"	11/32"	No	3/8"-16	2"	0000000	000000


														48"	-0.13" to 0"	1.75"	11/16"	3"	4"	8"	2 1/4"	11/32"	No	3/8"-16	2"	0000000	000000

Build-Your-Own Support-Rail Shafts

Choose a shaft and a matching support rail in the profile you need to create a custom setup for your machine’s layout. Tapped holes drilled along the length of these shafts match up with holes on support rails for quick alignment and setup. The support rails prevent bending and bearing misalignment under moderate to heavy loads. Pair these shafts with linear bearings to create smooth, precise motion. They are turned, ground, and polished to tight tolerances and hardened to resist wear.

Cut the support rails and shafts to size or mount them end-to-end for long runs. Then, align the mounting holes on the shafts with those on the rails and fasten them with socket head screws (not included). After assembly, test for alignment to guarantee smooth motion.

Shafts

Steel—Stronger than aluminum and stainless steel. These shafts are best for dry environments since moisture will cause them to rust.

Highly Wear-Resistant 440C Stainless Steel—Balancing strength, wear resistance, and corrosion resistance, these shafts can handle moisture and mild cleaning solutions.

Surface Smoothness—The lower the microinch value, the smoother the finish and the less friction it will cause on the bearing.

				Mounting Hole
	Lg.	Dia. Tolerance	End-to-Mounting Hole Lg.	Ctr.-to-Ctr. Lg.	Thread Size	Dp.	Mounting Fasteners Included	Hardness	Hardness Rating	Surface Smoothness, μin		Each
Steel







				1/2" Diameter

				24"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C60	Extra Hard	8	0000000	0000000


				48"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C60	Extra Hard	8	0000000	000000
				72"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C60	Extra Hard	8	0000000	000000
				96"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C60	Extra Hard	8	0000000	000000




						5/8" Diameter

						24"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C60	Extra Hard	8	0000000	000000


						48"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C60	Extra Hard	8	0000000	000000
						72"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C60	Extra Hard	8	0000000	000000
						96"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C60	Extra Hard	8	0000000	000000




								3/4" Diameter

								24"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C60	Extra Hard	8	0000000	000000


								48"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C60	Extra Hard	8	0000000	000000
								72"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C60	Extra Hard	8	0000000	000000
								96"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C60	Extra Hard	8	0000000	000000




										1" Diameter

										24"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C60	Extra Hard	8	0000000	000000


										48"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C60	Extra Hard	8	0000000	000000
										72"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C60	Extra Hard	8	0000000	000000
										96"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C60	Extra Hard	8	0000000	000000




												1 1/4" Diameter

												24"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C60	Extra Hard	8	0000000	000000


												48"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C60	Extra Hard	8	0000000	000000
												72"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C60	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C60	Extra Hard	8	0000000	000000




												1 1/2" Diameter

		24"										-0.0011" to -0.0006"	4"	8"	3/8"-16	3/4"	No	Rockwell C60	Extra Hard	8	0000000	000000


		48"	-0.0011" to -0.0006"									4"	8"	3/8"-16	3/4"	No	Rockwell C60	Extra Hard	8	0000000	000000
		72"	-0.0011" to -0.0006"									4"	8"	3/8"-16	3/4"	No	Rockwell C60	Extra Hard	8	0000000	000000
		96"	-0.0011" to -0.0006"									4"	8"	3/8"-16	3/4"	No	Rockwell C60	Extra Hard	8	0000000	000000


		Highly Wear-Resistant 440C Stainless Steel







												1/2" Diameter

												24"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C50	Extra Hard	8	0000000	000000


												48"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C50	Extra Hard	8	0000000	000000
												72"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C50	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	2"	4"	6-32	1/4"	No	Rockwell C50	Extra Hard	8	0000000	000000




												5/8" Diameter

												24"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C50	Extra Hard	8	0000000	000000


												48"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C50	Extra Hard	8	0000000	000000
												72"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C50	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	2"	4"	8-32	5/16"	No	Rockwell C50	Extra Hard	8	0000000	000000




												3/4" Diameter

												24"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C50	Extra Hard	8	0000000	000000


												48"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C50	Extra Hard	8	0000000	000000
												72"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C50	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	3"	6"	10-32	3/8"	No	Rockwell C50	Extra Hard	8	0000000	000000




												1" Diameter

												24"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C50	Extra Hard	8	0000000	000000


												48"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C50	Extra Hard	8	0000000	000000
												72"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C50	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	3"	6"	1/4"-20	1/2"	No	Rockwell C50	Extra Hard	8	0000000	000000




												1 1/4" Diameter

												24"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C50	Extra Hard	8	0000000	000000


												72"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C50	Extra Hard	8	0000000	000000
												96"	-0.001" to -0.0005"	3"	6"	5/16"-18	5/8"	No	Rockwell C50	Extra Hard	8	0000000	00000000




												1 1/2" Diameter

												48"	-0.0011" to -0.0006"	4"	8"	3/8"-16	3/4"	No	Rockwell C50	Extra Hard	8	0000000	000000


				72"	-0.0011" to -0.0006"							4"	8"	3/8"-16	3/4"	No	Rockwell C50	Extra Hard	8	0000000	000000
				96"	-0.0011" to -0.0006"							4"	8"	3/8"-16	3/4"	No	Rockwell C50	Extra Hard	8	0000000	00000000

Support Rails

	End-to-Mounting Hole Lg.	Mounting Hole Ctr.-to-Ctr. Lg.	Shaft Mounting Hole Thread Size	Mounting Fasteners Included	Material		Each
Standard Profile







	For 1/2" Diameter Shafts

	24"	0.875"	1 1/2"	2"	4"	6-32	No	6061 Aluminum	0000000	0000000


	48"	0.875"	1 1/2"	2"	4"	6-32	No	6061 Aluminum	0000000	000000




			For 5/8" Diameter Shafts

			24"	0.813"	1 5/8"	2"	4"	1/4"-20	No	6061 Aluminum	0000000	000000


			48"	0.813"	1 5/8"	2"	4"	1/4"-20	No	6061 Aluminum	0000000	000000




					For 3/4" Diameter Shafts

					24"	1.125"	1 3/4"	3"	6"	10-32	No	6061 Aluminum	0000000	000000


					48"	1.125"	1 3/4"	3"	6"	10-32	No	6061 Aluminum	0000000	000000




							For 1" Diameter Shafts

							24"	1.25"	2 1/8"	3"	6"	1/4"-20	No	6061 Aluminum	0000000	000000


							48"	1.25"	2 1/8"	3"	6"	1/4"-20	No	6061 Aluminum	0000000	000000




									For 1 1/4" Diameter Shafts

									24"	1.5"	2 1/2"	3"	6"	5/16"-18	No	6061 Aluminum	0000000	000000


									48"	1.5"	2 1/2"	3"	6"	5/16"-18	No	6061 Aluminum	0000000	000000




											For 1 1/2" Diameter Shafts

											24"	1.75"	3"	4"	8"	3/8"-16	No	6061 Aluminum	0000000	000000


											48"	1.75"	3"	4"	8"	3/8"-16	No	6061 Aluminum	0000000	000000


Low Profile







											For 1/2" Diameter Shafts

											24"	0.297"	3/8"	2"	4"	6-32	No	6063 Aluminum	000000	000000


											48"	0.297"	3/8"	2"	4"	6-32	No	6063 Aluminum	0000000	000000




											For 5/8" Diameter Shafts

											24"	0.359"	29/64"	2"	4"	8-32	No	6063 Aluminum	000000	000000


											48"	0.359"	29/64"	2"	4"	8-32	No	6063 Aluminum	0000000	000000




											For 3/4" Diameter Shafts

											24"	0.359"	33/64"	3"	6"	10-32	No	6063 Aluminum	000000	000000


											48"	0.359"	33/64"	3"	6"	10-32	No	6063 Aluminum	0000000	000000




											For 1" Diameter Shafts

											24"	0.453"	45/64"	3"	6"	1/4"-20	No	6063 Aluminum	000000	000000


											48"	0.453"	45/64"	3"	6"	1/4"-20	No	6063 Aluminum	0000000	000000




											For 1 1/4" Diameter Shafts

											24"	0.516"	25/32"	3"	6"	5/16"-18	No	6063 Aluminum	000000	000000


											48"	0.516"	25/32"	3"	6"	5/16"-18	No	6063 Aluminum	0000000	000000




											For 1 1/2" Diameter Shafts

											24"	0.578"	15/16"	4"	8"	3/8"-16	No	6063 Aluminum	000000	000000


											48"	0.578"	15/16"	4"	8"	3/8"-16	No	6063 Aluminum	0000000	000000

Low-Profile Linear Shaft Support Rails

At approximately one-third the height of standard versions, these rails provide linear shaft support in applications with low vertical clearance. They provide stability over the entire length of shaft and eliminate bending under moderate to heavy loads. Made of lightweight, corrosion-resistant aluminum, they are designed for use with linear shafts and bearings. Cut to size or mount end-to-end to make longer lengths. Mounting holes match those on our Shafts for Support Rails; attach using socket head screws (not included).

	Shaft Groove Wd.	Overall Wd.	Mounting Hole Ctr.-to-Ctr. Lg.	End-to-Mounting Hole Lg.	Shaft Mounting Hole Thread Size	For Shaft Mounting Fastener Lg.	Mounting Fasteners Included		Each
6063 Aluminum (T6 Temper)







	For 1/2" Diameter Shafts

	24"	-0.03" to 0"	0.297"	13/64"	3/8"	4"	2"	6-32	1/2"	No	000000	0000000


	48"	-0.03" to 0"	0.297"	13/64"	3/8"	4"	2"	6-32	1/2"	No	0000000	000000




			For 5/8" Diameter Shafts

			24"	-0.03" to 0"	0.359"	17/64"	29/64"	4"	2"	8-32	1/2"	No	000000	000000


			48"	-0.03" to 0"	0.359"	17/64"	29/64"	4"	2"	8-32	1/2"	No	0000000	000000




					For 3/4" Diameter Shafts

					24"	-0.03" to 0"	0.359"	5/16"	33/64"	6"	3"	10-32	3/4"	No	000000	000000


					48"	-0.03" to 0"	0.359"	5/16"	33/64"	6"	3"	10-32	3/4"	No	0000000	000000




							For 1" Diameter Shafts

							24"	-0.03" to 0"	0.453"	27/64"	45/64"	6"	3"	1/4"-20	1"	No	000000	000000


							48"	-0.03" to 0"	0.453"	27/64"	45/64"	6"	3"	1/4"-20	1"	No	0000000	000000




									For 1 1/4" Diameter Shafts

									24"	-0.03" to 0"	0.516"	33/64"	25/32"	6"	3"	5/16"-18	1"	No	000000	000000


									48"	-0.03" to 0"	0.516"	33/64"	25/32"	6"	3"	5/16"-18	1"	No	0000000	000000




											For 1 1/2" Diameter Shafts

											24"	-0.03" to 0"	0.578"	39/64"	15/16"	8"	4"	3/8"-16	1 1/4"	No	000000	000000


											48"	-0.03" to 0"	0.578"	39/64"	15/16"	8"	4"	3/8"-16	1 1/4"	No	0000000	000000