90 mm Shaft Diameter Roller Bearings

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Dynamic Combined Load Capacity

Less than 10,000 lbf

10,000 lbf to 19,999 lbf

30,000 lbf to 99,999 lbf

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 39,999 lb.

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Dynamic Thrust Load Capacity

10,000 lb. to 19,999 lb.

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17 Products

Spherical-Roller Bearings

Two rows of rollers give these bearings dynamic radial load capacities over five times higher than comparably sized tapered-roller bearings. Also known as rock crusher bearings, they handle heavy shock loads and are used for metal milling machinery, mining and oil field equipment, and in paper mills.

						Combined Load Cap., lbf
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Bearing Trade No.	Ring Material	Dynamic	Static	Max. Rotation Speed, rpm	Lubrication	Max. Temp., ° F		Each
Open Bearing



		90	160	40	22218	Steel	80,750	88,750	3,200	Required	390	0000000	0000000

High-Load Face-Mount Crossed-Roller Bearings

With thicker inner and outer raceways, these bearings can handle heavier loads than thin-profile crossed roller bearings. Mounting holes on the inner and outer rings allow for fastening onto hollow joints and shafts. The rollers face in alternating directions to allow for rigid, accurate motion under any combination of radial, thrust, and moment (twisting) loads. Use in applications where highly accurate motion is necessary, such as machine tools and industrial robots.

Open Bearing—Open bearings dissipate heat more efficiently than sealed bearings.

Sealed Bearing—Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.

				Combined Load Cap., lbf
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Dynamic	Static	Max. Rotation Speed, rpm	Lubrication	Temp. Range, ° F	Features		Each
For Combined Radial, Thrust, and Moment Load—Open with Steel Ring



		90	210	25	16,500	24,200	500	Required	0 to 230	Lubrication Groove, Two Lubrication Holes	0000000	000000000


		For Combined Radial, Thrust, and Moment Load—Sealed with Steel Ring



				90	210	25	16,500	24,200	400	Lubricated	0 to 210	Lubrication Groove, Two Lubrication Holes	0000000	00000000

Ball Bearings

Open

Shielded

Sealed

Smoother than smooth—the balls inside these bearings roll nearly friction-free. You’ll often find them on rapidly rotating parts, from the whirring chuck on a power drill to the spinning shaft on an electric motor.

Open—With no rubber seal to block airflow, these bearings dissipate heat quickly, extending the life of the lubricant and reducing friction over time.

Shielded—The balls are covered just enough to keep out large particles while allowing air to pass through and dissipate heat.

Sealed—The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through.

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

ABEC Rating—Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

							Temp. Range, ° F
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	ABEC Rating	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Min.	Max.	Inner Ring Type	Bearing Trade No.		Each
Open







				Steel

				90	115	13	1	4,250	6,300	-50	130	Standard	6818	00000000	0000000


				Shielded







								Steel

								90	115	13	1	4,250	5,300	-40	150	Standard	6818-2Z	00000000	000000


								90	140	24	3	13,600	5,000	-20	230	Standard	6018-2Z	0000000	000000
								90	160	30	3	22,700	4,300	-20	230	Standard	6218-2Z	0000000	000000
								90	190	43	3	33,900	3,800	-20	230	Standard	6318-2Z	0000000	000000


								Sealed







												Steel

												90	140	24	3	13,600	3,000	-30	210	Standard	6018-2RS	0000000	000000


												90	160	30	3	22,700	2,600	-30	210	Standard	6218-2RS	0000000	000000
												90	190	43	3	33,900	2,400	-30	210	Standard	6318-2RS	0000000	000000

Thin-Profile Crossed-Roller Bearings

For a more compact machine, these bearings have thinner inner and outer rings than high-load crossed-roller bearings. Route hydraulic lines, electrical wiring, and other components through the inside of the bearing. The rollers face in alternating directions to allow for rigid, accurate motion under any combination of radial, thrust, and moment (twisting) loads. Use in applications where highly accurate motion is necessary, such as machine tools and industrial robots.

Open Bearing—Open bearings dissipate heat more efficiently than sealed bearings.

Sealed Bearing—Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.

				Combined Load Cap., lbf
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Dynamic	Static	Max. Rotation Speed, rpm	Lubrication	Temp. Range, ° F	Features		Each
For Combined Radial, Thrust, and Moment Load—Open with Steel Ring



		90	101	5	710	1,350	800	Required	0 to 175	Lubrication Hole	0000000	0000000


		For Combined Radial, Thrust, and Moment Load—Sealed with Steel Ring



				90	106	8	1,500	2,750	375	Lubricated	0 to 175	Lubrication Groove, Lubrication Hole	0000000	000000

High-Load Crossed-Roller Bearings

The thicker inner and outer raceways on these bearings can handle heavier loads than the thin-profile crossed-roller bearings. The rollers face in alternating directions to allow for rigid, accurate motion under any combination of radial, thrust, and moment (twisting) loads. Use in applications where highly accurate motion is necessary, such as machine tools and industrial robots.

Open Bearing—Open bearings dissipate heat more efficiently than sealed bearings.

Sealed Bearing—Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.

				Combined Load Cap., lbf
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Dynamic	Static	Max. Rotation Speed, rpm	Lubrication	Temp. Range, ° F	Features		Each
For Combined Radial, Thrust, and Moment Load—Open with Steel Ring



		90	130	16	7,400	10,500	680	Required	0 to 245	—	0000000	0000000


		For Combined Radial, Thrust, and Moment Load—Sealed with Steel Ring



				90	130	16	7,400	10,500	540	Lubricated	0 to 245	Lubrication Groove, Two Lubrication Holes	0000000	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
	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
Steel



		90	120	4	Steel	16,400	2,700	0 to 240	DIN 5405-3, ISO 303	00000000	000000	1	00000000	000000

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
90	120	1	Steel	DIN 5405-3, ISO 303	00000000	000000