DIN 1804 Bearing Nuts | McMaster-Carr

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Bearing Nuts

Carbon Steel

Stepped Face

Often paired with spring lock washers to strengthen their hold, these bearing nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket.

Carbon Steel—Carbon steel bearing nuts are strong and resist wear.

Stepped Face—Use stepped-face bearing nuts with DIN 462 spring lock washers. You can also use them in pairs or with other bearing nuts. For the nut closer to the bearing, position the stepped face towards the bearing. All meet DIN standards for bearing lockout dimensions.

Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.

	Nuts								Bearing Lock Washers
	Thread
	Size	Spacing	OD, mm	Wd., mm	Specs. Met	For Lock Washer Specs. Met		Each		Each
Carbon Steel





				Stepped Face
				M8 × 1 mm	Fine	20	5	DIN 1804	DIN 462	0000000	000000	000000000	00000
				M12 × 1.5 mm	Fine	28	6	DIN 1804	DIN 462	0000000	0000	000000000	0000
				M14 × 1.5 mm	Fine	30	7	DIN 1804	DIN 462	0000000	0000	000000000	0000
				M16 × 1.5 mm	Fine	32	7	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M18 × 1.5 mm	Fine	34	8	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M20 × 1.5 mm	Extra Fine	36	8	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M24 × 1.5 mm	Extra Fine	42	9	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M26 × 1.5 mm	Extra Fine	45	10	DIN 1804	DIN 462	0000000	00000	———	0
				M28 × 1.5 mm	Extra Fine	50	10	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M30 × 1.5 mm	Extra Fine	50	10	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M32 × 1.5 mm	Extra Fine	52	11	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M35 × 1.5 mm	Extra Fine	55	11	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M38 × 1.5 mm	Extra Fine	58	11	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M40 × 1.5 mm	Extra Fine	62	12	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M42 × 1.5 mm	Extra Fine	62	12	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M45 × 1.5 mm	Extra Fine	68	12	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M50 × 1.5 mm	Extra Fine	75	13	DIN 1804	DIN 462	0000000	00000	000000000	0000
				M55 × 1.5 mm	Extra Fine	80	13	DIN 1804	DIN 462	0000000	00000	———	0
				M60 × 1.5 mm	Extra Fine	90	13	DIN 1804	DIN 462	0000000	00000	———	0
				M65 × 1.5 mm	Extra Fine	95	14	DIN 1804	DIN 462	0000000	00000	———	0