ISO 303 Roller Bearings | McMaster-Carr

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20,000 lb. to 99,999 lb.

100,000 lb. to 199,999 lb.

200,000 lb. or greater

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Dynamic Thrust Load Capacity

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

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40 Products

Washers for Needle-Roller Thrust Bearings

Adapt needle-roller thrust bearings to use on unhardened, unground surfaces.

For Shaft Dia., mm	OD, mm	Thk., mm	Washer Material	Specs. Met		Each
4	14	1	Steel	DIN 5405-3, ISO 303	5909K291	00000
5	15	1	Steel	DIN 5405-3, ISO 303	5909K292	0000
6	19	1	Steel	DIN 5405-3, ISO 303	5909K293	0000
8	21	1	Steel	DIN 5405-3, ISO 303	5909K295	0000
10	24	1	Steel	DIN 5405-3, ISO 303	5909K71	0000
12	26	1	Steel	DIN 5405-3, ISO 303	5909K72	0000
15	28	1	Steel	DIN 5405-3, ISO 303	5909K73	0000
17	30	1	Steel	DIN 5405-3, ISO 303	5909K74	0000
20	35	1	Steel	DIN 5405-3, ISO 303	5909K75	0000
25	42	1	Steel	DIN 5405-3, ISO 303	5909K76	0000
30	47	1	Steel	DIN 5405-3, ISO 303	5909K77	0000
35	52	1	Steel	DIN 5405-3, ISO 303	5909K78	0000
40	60	1	Steel	DIN 5405-3, ISO 303	5909K297	0000
45	65	1	Steel	DIN 5405-3, ISO 303	5909K79	0000
50	70	1	Steel	DIN 5405-3, ISO 303	5909K81	0000
55	78	1	Steel	DIN 5405-3, ISO 303	5909K82	0000
60	85	1	Steel	DIN 5405-3, ISO 303	5909K299	0000
65	90	1	Steel	DIN 5405-3, ISO 303	5909K582	0000
70	95	1	Steel	DIN 5405-3, ISO 303	5909K584	0000
75	100	1	Steel	DIN 5405-3, ISO 303	5909K586	00000
80	105	1	Steel	DIN 5405-3, ISO 303	5909K588	00000
85	110	1	Steel	DIN 5405-3, ISO 303	5909K996	00000
85	110	5.75	Steel	DIN 5405-3, ISO 303	5909K116	00000
90	120	1	Steel	DIN 5405-3, ISO 303	5909K997	00000
100	135	1	Steel	DIN 5405-3, ISO 303	5909K998	00000
110	145	1	Steel	DIN 5405-3, ISO 303	5909K123	00000
120	155	1	Steel	DIN 5405-3, ISO 303	5909K111	00000
130	170	1	Steel	DIN 5405-3, ISO 303	5909K112	00000
140	180	1	Steel	DIN 5405-3, ISO 303	5909K113	00000
150	190	1	Steel	DIN 5405-3, ISO 303	5909K114	000000
160	200	1	Steel	DIN 5405-3, ISO 303	5909K115	000000

Needle-Roller Thrust Bearings


Bearings	Washers

Small but mighty, our thinnest rolling thrust bearings slot into tight spaces and spin at whirring speeds. Their long, slender rollers support thrust loads and reduce friction in everything from machine tool spindles to gearboxes.

A cage holds the rollers in place. You can install these bearings without washers between hardened, ground surfaces for the thinnest profile. If you’re working with unhardened, unground surfaces, you’ll need two washers for the rollers to run on. This three-piece design is easy to lubricate, but the oil will attract dust and grime since it’s exposed.

Steel—Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.

	Thrust Bearings										Thin Washers			Thick Washers
	For Shaft Dia., mm	OD, mm	Thk., mm	Cage Material	Dynamic Thrust Load Cap., lb.	Max. Rotation Speed, rpm	Temp. Range, ° F	Specs. Met		Each	Thk., mm		Each	Thk., mm		Each
Steel



		85	110	4	Steel	13,000	2,950	0 to 240	DIN 5405-3, ISO 303	5909K958	000000	1	5909K996	000000	5.75	5909K116	000000


		90	120	4	Steel	16,400	2,700	0 to 240	DIN 5405-3, ISO 303	5909K959	00000	1	5909K997	00000	—	———	0
		100	135	4	Steel	20,400	2,420	0 to 240	DIN 5405-3, ISO 303	5909K961	00000	1	5909K998	00000	—	———	0
		110	145	4	Steel	21,800	2,230	0 to 240	DIN 5405-3, ISO 303	5909K962	000000	1	5909K123	00000	—	———	0
		120	155	4	Steel	22,900	2,070	0 to 240	DIN 5405-3, ISO 303	5909K963	000000	1	5909K111	00000	—	———	0
		130	170	5	Steel	29,900	1,900	0 to 240	DIN 5405-3, ISO 303	5909K964	000000	1	5909K112	00000	—	———	0
		140	180	5	Steel	31,000	1,780	0 to 240	DIN 5405-3, ISO 303	5909K965	000000	1	5909K113	00000	—	———	0
		150	190	5	Steel	32,100	1,680	0 to 240	DIN 5405-3, ISO 303	5909K966	000000	1	5909K114	000000	—	———	0
		160	200	5	Steel	33,200	1,590	0 to 240	DIN 5405-3, ISO 303	5909K967	000000	1	5909K115	000000	—	———	0