8.03mm ID Bearings | McMaster-Carr

With simple, lightweight designs, these bearings are a cost-effective option when extreme precision isn't necessary. Less stable than bearings with forged, one-piece housings, they're good for hand-cranked systems, gravity feed conveyor rollers, and other low-speed applications. Inside, the sleeve is made of naturally slick plastic that doesn't require lubrication. They'll keep shafts spinning with no messy grease to drip off, wash out, or collect dust. With no moving parts, sleeve bearings stand up to grimy environments better than ball bearings. However, with more friction generated, they're less effective at high speeds. The housing mounts in place with a two-bolt flange, the most common type of flanged bearing.

Acetal—The most common choice for plastic bearings, acetal is wear-resistant and affordable.

Ultra-Low-Friction PTFE-Filled Acetal—Made from a special blend of acetal and PTFE, these extra-slippery bearings are ideal for conveyors and other machinery with frequent starts and stops.

Steel Housing—Best for dry environments as moisture will cause them to rust.

Misalignment Capability—Bearings compensate for as much shaft misalignment as the degree listed. This extends the life of the bearing and protects against wear if shafts are slightly askew.

		Overall, mm
	For Shaft Dia., mm	Lg.	Wd.	Flange Thk., mm	Dynamic Radial Load Cap. @ Speed	Misalignment Capability		Each
Acetal Bearing with Steel Housing



		8	53.4	10	1.5	37 lb. @ 120 rpm	5°	5795N21	000000


		Ultra-Low-Friction PTFE-Filled Acetal Bearing with Steel Housing



				8	53.4	10	1.5	70 lb. @ 120 rpm	5°	5792N2	00000

Dry-Running Mounted Sleeve Bearings

Leave the lubricant in the supply closet—these low-maintenance bearings are made from naturally slippery plastic. They'll keep shafts spinning with no messy grease to drip off, wash out, or collect dust. With no moving parts, sleeve bearings stand up to grimy environments better than ball bearings. However, with more friction generated, they're less effective at high speeds. The sturdy housing bolts down to support shafts as they turn.

Acetal—The most common choice for plastic bearings, acetal is wear-resistant and affordable.

Aluminum Housing—One-third the weight of cast iron but not as strong. Aluminum also resists corrosion.

Misalignment Capability—Bearings compensate for as much shaft misalignment as the degree listed. This extends the life of the bearing and protects against wear if shafts are slightly askew.

			Overall, mm
	For Shaft Dia., mm	Ctr. Ht., mm	Lg.	Wd.	Dynamic Radial Load Cap. @ Speed	Misalignment Capability		Each
Acetal Bearing with Aluminum Housing



		8	14.5	57.2	11.2	42 lb. @ 120 rpm	5°	4393N25	000000

Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

Ultra-Low-Friction PTFE-Filled Acetal—Made from a special blend of acetal and PTFE, these extra-slippery bearings are ideal for conveyors and other machinery with frequent starts and stops.

Aluminum Housing—One-third the weight of cast iron but not as strong. Aluminum also resists corrosion.

Misalignment Capability—Bearings compensate for as much shaft misalignment as the degree listed. This extends the life of the bearing and protects against wear if shafts are slightly askew.

		Overall, mm
	For Shaft Dia., mm	Lg.	Wd.	Flange Thk., mm	Dynamic Radial Load Cap. @ Speed	Misalignment Capability		Each
Ultra-Low-Friction PTFE-Filled Acetal Bearing with Aluminum Housing



		8	57.2	11.2	4.8	95 lb. @ 120 rpm	5°	4385N122	000000

Dry-Running Panel-Mount Sleeve Bearings

Leave the lubricant in the supply closet—these low-maintenance sleeve bearings are made from naturally slippery plastic. They'll keep shafts spinning with no messy grease to drip off, wash out, or collect dust. With no moving parts, sleeve bearings withstand grimy environments better than ball bearings. However, with more friction generated, they're less effective at high speeds. They mount securely in thin panels.

Acetal—The most common choice for plastic bearings, acetal is wear-resistant and affordable.

Ultra-Low-Friction PTFE-Filled Acetal—Made from a special blend of acetal and PTFE, these extra-slippery bearings are ideal for conveyors and other machinery with frequent starts and stops.

Steel Housing—Best for dry environments as moisture will cause them to rust.

Press-Fit Panel Mount—Press these bearings into plastic panels or thin sheet metal to mount them by hand. They're a good fit for tight spaces, or if you'd like a removable mounting option. The sturdy flange prevents bearings from pulling through, giving you added stability.

Clinch Panel Mount—Secure these self-clinching bearings into sheet metal panels for a permanent hold. Install them using an air-powered or hydraulic press—no need for precision-bored holes or machined mounts. They're not for use in plastic panels.

Misalignment Capability—Bearings compensate for as much shaft misalignment as the degree listed. This extends the life of the bearing and protects against wear if shafts are slightly askew.

	Flange OD, mm	Flange Thk., mm	Dynamic Radial Load Cap. @ Speed	Misalignment Capability		Each
Acetal Bearing with Steel Housing







	Press-Fit Panel Mount

	8	15.88	10.8	17.4	0.8	40 lb. @ 120 rpm	5°	5168N17	000000




			Clinch Panel Mount

			8	15.88	11.5	17.1	1.3	43 lb. @ 120 rpm	5°	3967N19	0000


			Ultra-Low-Friction PTFE-Filled Acetal Bearing with Steel Housing







							Press-Fit Panel Mount

							8	15.88	10.8	17.4	0.8	90 lb. @ 120 rpm	5°	5169N17	00000