30mm Axles | McMaster-Carr

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13 Products

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion. Turned, ground, and polished to tight tolerances, these shafts reduce vibration, evenly distribute loads, and improve accuracy.

Carbon Steel—Strong and easy to machine. These shafts work best in dry environments since moisture will cause steel to rust.

Corrosion-Resistant 303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These shafts are easier to machine than other stainless steel shafts.

				Material
	Lg., mm	Straightness Tolerance	Diameter Tolerance	Hardness	Hardness Rating		Each
Carbon Steel







				30 mm Diameter

				200	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K49	000000


				400	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K51	00000
				500	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K52	00000
				1,000	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K53	00000
				1,200	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K54	00000
				1,500	0.3 mm/300 mm	-0.102 mm to 0 mm	Rockwell C25	Hard	1482K55	000000


				Corrosion-Resistant 303 Stainless Steel







								30 mm Diameter

								100	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N57	00000


								200	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N58	000000
								400	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N59	000000
								600	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N61	000000
								800	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N62	000000
								1,000	0.18 mm/300 mm	-0.01 mm to 0 mm	Rockwell B83	Medium	4143N63	000000

Flange-Mount Idler Rotary Shafts

Mount the flange to a machine or wall to support idler sprockets and pulleys in tensioning applications. They include washers and a nut to position your component and hold it in place.

			Overall, mm		Thread				Mounting Holes
	Dia., mm	Lg., mm	Lg.	Dia.	Size	Lg., mm	Flange Thk., mm	Bolt Circle Dia., mm	No. of	Dia., mm	Edge Type	Hardness Rating	Hardness		Each
Threaded End—Zinc-Plated 1215 Carbon Steel



		10	11	28	30	M8 × 1.25 mm	8.26	7	22	4	3	Straight	Medium	Rockwell B84	2435K32	000000