Collar Ball Bearings | McMaster-Carr

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For Housing ID

Dynamic Radial Load Capacity

Less than 3,000 lb.

3,000 lb. to 3,999 lb.

4,000 lb. to 4,999 lb.

5,000 lb. to 9,999 lb.

10,000 lb. or greater

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Less than 2,000 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 3,999 lb.

4,000 lb. to 9,999 lb.

10,000 lb. or greater

Inner Ring Width

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Lubricant

Grease with Calcium Thickener

Grease with Lithium Thickener

Performance

113 Products

Quick-Mount Ball Bearings

Slip onto a shaft and secure with the turn of a screw. You don't need any special tools to mount these bearings.

Set-Screw Shaft Mount—Tighten the screws against the shaft to hold the bearing in place. For high-speed applications, consider clamp-on shaft mounts, which are less likely to slip.

Clamp-On Shaft Mount—The clamp tightens around the shaft for a strong 360° grip. These mounts attach more securely than set screws to reduce vibration. Plus, there aren't any screws pressing into the shaft, so it stays free from damage. Also known as a concentric lock.

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

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.

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.

				Retaining Ring						Temp. Range, ° F
	For Shaft Dia.	For Housing ID	Wd.	OD	Thk.	Bearing Seal Type	ABEC Rating	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Min.	Max.	Bearing Trade No.		Each
Set-Screw Shaft Mount







				Steel

				1/2"	1 3/4"	5/8"	1.922"	0.042"	Sealed	Not Rated	2,550	5,000	-20	250	7608-2RS	4768K11	000000


				9/16"	1 3/4"	5/8"	1.922"	0.042"	Sealed	Not Rated	2,550	5,000	-20	250	7609-2RS	4768K12	00000
				5/8"	1 3/4"	5/8"	1.922"	0.042"	Sealed	Not Rated	2,550	5,000	-20	250	7610-2RS	4768K5	00000
				11/16"	1 3/4"	5/8"	1.922"	0.042"	Sealed	Not Rated	2,550	5,000	-20	250	7611-2RS	4768K13	00000
				3/4"	1 3/4"	5/8"	1.922"	0.042"	Sealed	Not Rated	2,550	5,000	-20	250	7612-2RS	4768K6	00000
				13/16"	2"	5/8"	2.156"	0.042"	Sealed	Not Rated	2,950	5,000	-20	250	7613-2RS	4768K14	00000
				7/8"	2"	5/8"	2.156"	0.042"	Sealed	Not Rated	2,950	5,000	-20	250	7614-2RS	4768K15	00000
				15/16"	2"	5/8"	2.156"	0.042"	Sealed	Not Rated	2,950	5,000	-20	250	7615-2RS	4768K16	00000
				1"	2"	5/8"	2.156"	0.042"	Sealed	Not Rated	2,950	5,000	-20	250	7616-2RS	4768K7	00000
				1 1/16"	2 9/16"	3/4"	2.766"	0.065"	Sealed	Not Rated	5,350	5,000	-20	250	7617-2RS	4768K17	00000
				1 1/8"	2 9/16"	3/4"	2.766"	0.065"	Sealed	Not Rated	5,350	5,000	-20	250	7618-2RS	4768K18	00000


				1 1/4"	2 9/16"	3/4"	2.766"	0.065"	Sealed	Not Rated	5,350	5,000	-20	250	7620-2RS	4768K8	00000




						Black-Oxide Steel

						1/2"	1 27/32"	5/8"	2.063"	0.047"	Shielded	1	3,200	9,200	-40	250	ER8	8090T21	00000


						5/8"	1 27/32"	5/8"	2.063"	0.047"	Sealed	Not Rated	2,850	5,000	-20	250	ER10	8090T11	00000
						3/4"	1 27/32"	5/8"	2.063"	0.047"	Sealed	Not Rated	2,850	5,000	-20	250	ER12	8090T12	00000
						7/8"	2 3/64"	3/4"	2.266"	0.047"	Shielded	1	3,450	7,800	-40	250	ER14	8090T22	000000
						15/16"	2 3/64"	3/4"	2.266"	0.047"	Sealed	1	2,800	6,350	-20	220	ER15	8090T27	000000
						1"	2 3/64"	3/4"	2.266"	0.047"	Sealed	Not Rated	3,100	5,000	-20	250	ER16	8090T13	00000
						1 1/16"	2 7/16"	7/8"	2.656"	0.063"	Sealed	1	4,350	5,450	-20	220	ER17	8090T28	000000
						1 1/8"	2 7/16"	7/8"	2.656"	0.063"	Sealed	1	4,850	6,100	-65	250	ER18	8090T57	00000
						1 3/16"	2 7/16"	7/8"	2.656"	0.063"	Sealed	Not Rated	4,350	5,000	-20	250	ER19	8090T14	00000
						1 1/4"	2 27/32"	15/16"	3.078"	0.063"	Sealed	Not Rated	5,750	5,000	-20	250	ER20	8090T15	00000
						1 3/8"	2 27/32"	15/16"	3.078"	0.063"	Shielded	1	6,400	5,000	-40	250	ER22	8090T23	000000


						1 7/16"	2 27/32"	15/16"	3.078"	0.063"	Sealed	Not Rated	5,750	5,000	-20	250	ER23	8090T16	00000
						1 1/2"	3 5/32"	1 3/32"	3.406"	0.063"	Sealed	Not Rated	6,500	5,000	-20	250	ER24	8090T17	000000
						1 5/8"	3 11/32"	1 3/32"	3 19/32"	0.063"	Sealed	1	7,900	3,800	-20	220	ER26	8090T34	000000
						1 11/16"	3 11/32"	1 3/32"	3 19/32"	0.063"	Sealed	1	7,900	3,800	-20	220	ER27	8090T35	000000
						1 3/4"	3 11/32"	1 3/32"	3.578"	0.063"	Shielded	1	8,150	3,900	-40	250	ER28	8090T24	000000
						1 15/16"	3 35/64"	1 1/8"	3.781"	0.094"	Sealed	Not Rated	7,900	5,000	-20	250	ER31	8090T18	000000
						2"	3 15/16"	1 3/16"	4.188"	0.094"	Shielded	1	10,800	3,400	-40	250	ER32	8090T25	000000
						2 3/16"	3 15/16"	1 3/16"	4 3/16"	0.094"	Sealed	1	9,750	3,250	-20	220	ER35	8090T39	000000
						2 1/4"	4 21/64"	1 1/4"	4 37/64"	0.094"	Sealed	1	11,750	3,000	-20	220	ER36	8090T41	000000
						2 3/8"	4 21/64"	1 1/4"	4 37/64"	0.094"	Sealed	1	11,750	3,000	-20	220	ER38	8090T42	000000


						2 7/16"	4 21/64"	1 1/4"	4 37/64"	0.094"	Sealed	1	11,750	3,000	-20	220	ER39	8090T43	000000
						2 1/2"	4 59/64"	1 3/8"	5 9/32"	0.109"	Sealed	1	13,950	2,500	-20	220	ER40	8090T44	000000
						3"	5 33/64"	1 11/16"	5 13/16"	0.109"	Sealed	1	17,400	2,250	-20	220	ER48	8090T48	000000
						20 mm	47 mm	15.9 mm	52.4 mm	1.2 mm	Sealed	1	2,600	7,300	-20	220	ER204	5629N11	000000
						25 mm	52 mm	19.1 mm	57.5 mm	1.2 mm	Sealed	1	2,800	6,350	-20	220	ER205	5629N12	000000
						30 mm	62 mm	22.2 mm	67.5 mm	1.6 mm	Sealed	1	4,350	5,450	-20	220	ER206	5629N13	000000
35 mm						72 mm	23.8 mm	78.2 mm	1.6 mm	Sealed	1	5,750	4,650	-20	220	ER207	5629N14	000000
40 mm	80 mm					27.8 mm	86.5 mm	1.6 mm	Sealed	1	7,300	4,150	-20	220	ER208	5629N15	000000
50 mm	90 mm					28.6 mm	96 mm	2.4 mm	Sealed	1	7,850	3,550	-20	220	ER210	5629N17	000000
70 mm	125 mm					34.9 mm	134.1 mm	2.8 mm	Sealed	1	13,950	2,500	-20	220	ER214	5629N21	000000


Clamp-On Shaft Mount







						Black-Oxide Steel

						3/4"	1 27/32"	5/8"	2.063"	0.047"	Sealed	1	2,600	10,200	-20	220	ER12	6821N11	00000


						1"	2 1/16"	3/4"	2.266"	0.047"	Sealed	1	2,800	9,000	-20	220	ER16	6821N12	00000
						1 1/4"	2 7/16"	7/8"	2.656"	0.063"	Sealed	1	4,350	7,600	-20	220	ER20	6821N15	000000
						1 1/4"	2 27/32"	15/16"	3.078"	0.063"	Sealed	1	5,750	6,500	-20	220	ER20	6821N16	000000
						1 7/16"	2 27/32"	15/16"	3.078"	0.063"	Sealed	1	5,750	6,500	-20	220	ER23	6821N18	000000
						1 1/2"	3 5/32"	1 3/32"	3.406"	0.063"	Sealed	1	7,300	5,850	-20	220	ER24	6821N19	000000
						2"	3 15/16"	1 3/16"	4.188"	0.094"	Sealed	1	9,750	4,500	-20	220	ER32	6821N25	000000
						20 mm	47 mm	16 mm	52 mm	1.2 mm	Shielded	1	2,600	6,450	-20	220	ER204	6821N51	000000
						25 mm	52 mm	19 mm	58 mm	1.2 mm	Shielded	1	2,800	6,350	-20	220	ER205	6821N52	000000
						30 mm	62 mm	22 mm	68 mm	1.6 mm	Shielded	1	4,350	5,450	-20	220	ER206	6821N53	000000
				40 mm		80 mm	28 mm	88 mm	1.6 mm	Shielded	1	7,300	4,150	-20	220	ER208	6821N55	000000


				45 mm	85 mm	28 mm	91 mm	1.6 mm	Shielded	1	7,900	3,800	-20	220	ER209	6821N56	000000

Quick-Mount Ball Bearings for Food and Beverage

You don't need any special tools to install these bearings in food production areas. Slip them onto a shaft and secure with the turn of a screw for easy mounting. Greased with NSF-registered H1 lubricant, these bearings are safe to install on food-processing equipment, such as conveyor belts, so long as they don’t directly touch the food. They're IP69K rated, so they'll stand up to the hot water from a pressure washer when cleaning your facility at the end of the day.

Set-Screw Shaft Mount—Tighten the screws against the shaft to hold the bearing in place. For high-speed applications, consider clamp-on shaft mounts, which are less likely to slip.

Corrosion-Resistant Nickel-Plated Steel—These bearings resist mild chemicals, such as the ammonia in cleaning solutions, while maintaining the strength of steel. The nickel coating can wear or chip over time, though. If it does, the steel beneath will rust quickly.

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.

				Retaining Ring						Temp. Range, ° F
	For Shaft Dia.	For Housing ID	Wd.	OD	Thk.	Bearing Seal Type	ABEC Rating	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Min.	Max.	Enclosure Rating	Food Industry Std.		Each
Set-Screw Shaft Mount







				Corrosion-Resistant Nickel-Plated Steel

				1"	2 3/64"	3/4"	2.266"	0.047"	Sealed	1	2,800	2,700	-20	220	IP69K	NSF Registered H1	8486N11	0000000


				1 1/4"	2 7/16"	7/8"	2.656"	0.063"	Sealed	1	4,350	2,000	-20	220	IP69K	NSF Registered H1	8486N14	000000
				1 3/8"	2 55/64"	15/16"	3.078"	0.063"	Sealed	1	5,750	2,000	-20	220	IP69K	NSF Registered H1	8486N16	000000
				1 7/16"	2 27/32"	15/16"	3.078"	0.063"	Sealed	1	5,750	2,000	-20	220	IP69K	NSF Registered H1	8486N17	000000
				1 1/2"	3 5/32"	1 3/32"	3.406"	0.063"	Sealed	1	7,300	1,750	-20	220	IP69K	NSF Registered H1	8486N18	000000
				1 3/4"	3 11/32"	1 3/32"	3.594"	0.063"	Sealed	1	7,900	1,600	-20	220	IP69K	NSF Registered H1	8486N19	000000
				2"	3 15/16"	1 3/16"	4.188"	0.094"	Sealed	1	9,750	1,350	-20	220	IP69K	NSF Registered H1	8486N22	000000
				2 3/16"	3 15/16"	1 3/16"	4.188"	0.094"	Sealed	1	9,750	1,350	-20	220	IP69K	NSF Registered H1	8486N23	00000000


				Clamp-On Shaft Mount







								Corrosion-Resistant Nickel-Plated Steel

								3/4"	1 27/32"	5/8"	2.063"	0.047"	Sealed	1	2,600	3,100	-20	220	IP69K	NSF Registered H1	7177N11	000000


								1"	2 3/64"	3/4"	2.266"	0.047"	Sealed	1	2,800	2,700	-20	220	IP69K	NSF Registered H1	7177N12	000000
								1 3/16"	2 7/16"	7/8"	2.656"	0.063"	Sealed	1	4,350	2,300	-20	220	IP69K	NSF Registered H1	7177N14	000000
								1 1/4"	2 27/32"	15/16"	3.078"	0.063"	Sealed	1	5,750	2,000	-20	220	IP69K	NSF Registered H1	7177N16	000000
								25 mm	52 mm	19.1 mm	57.5 mm	1.2 mm	Sealed	1	2,800	2,700	-20	220	IP69K	NSF Registered H1	7177N26	000000
								35 mm	72 mm	23.8 mm	78.2 mm	1.6 mm	Sealed	1	5,750	2,000	-20	220	IP69K	NSF Registered H1	7177N28	000000
								40 mm	80 mm	27.8 mm	86.5 mm	1.6 mm	Sealed	1	7,300	1,750	-20	220	IP69K	NSF Registered H1	7177N29	000000

Insert Bearings

Install by hand into a housing (sold

separately)

Image of Product. Front orientation. Ball Bearings. Insert Bearings.

Swap out worn inserts instead of replacing the entire mounted unit. To choose an insert, match the manufacturer model number on your existing bearing.

Set-Screw Shaft Mount—Tighten the screws against the shaft to hold the bearing in place, regardless of the direction the shaft spins.

					Temp. Range, ° F
	For Shaft Dia.	For Mounted Bearing Model No.	Bearing Material	ABEC Rating	Min.	Max.		Each
For Timken Mounted Bearings







				Set-Screw Shaft Mount

				1/2"	SAK 1/2, SAS 1/2, SCJ 1/2, SCJT 1/2	Steel	1	-65	250	4768K19	000000


				5/8"	SAK 5/8, SAS 5/8, SCJ 5/8, SCJT 5/8	Steel	1	-65	250	4768K21	00000
				3/4"	SAK 3/4, SAS 3/4, SCJ 3/4, SCJT 3/4, STB 3/4	Steel	1	-65	250	4768K22	00000
				1"	SAK 1, SAS 1, SCJ 1, SCJT 1, STB 1	Steel	1	-65	250	4768K26	00000
				1 3/16"	SAK 1 3/16, SAS 1 3/16, SCJ 1 3/16, SCJT 1 3/16, STB 1 3/16	Steel	1	-65	250	4768K29	00000
				1 1/4"	SAK 1 1/4, SAS 1 1/4, SCJ 1 1/4, SCJT 1 1/4, STB 1 1/4	Steel	1	-65	250	4768K33	00000
				1 1/4"	SAK 1 1/4 S, SAS 1 1/4 S, SCJ 1 1/4 S, STB 1 1/4 S	Steel	1	-65	250	4768K31	00000
				1 7/16"	SAK 1 7/16, SAS 1 7/16, SCJ 1 7/16, SCJT 1 7/16, STB 1 7/16	Steel	1	-65	250	4768K35	00000
				1 1/2"	SAK 1 1/2, SAS 1 1/2, SAS 1 1/2 H, SCJ 1 1/2, SCJT 1 1/2, STB 1 1/2	Steel	1	-65	250	4768K37	000000
				1 5/8"	SAK 1 5/8, SAS 1 5/8, SCJ 1 5/8, SCJT 1 5/8, STB 1 5/8	Steel	1	-65	250	4768K39	000000
				1 11/16"	SAK 1 11/16, SAS 1 11/16, SCJ 1 11/16, SCJT 1 11/16, STB 1 11/16	Steel	1	-65	250	4768K41	000000


				1 3/4"	SAK 1 3/4, SAS 1 3/4, SCJ 1 3/4, SCJT 1 3/4, STB 1 3/4	Steel	1	-65	250	4768K42	000000
				2"	SAK 2 S, SAS 2 S, SCJ 2 S, SCJT 2 S	Steel	1	-65	250	4768K44	000000
				25 mm	SAK 25, SAS 25, SCJ 25, SCJT 25, STB 25	Steel	1	-65	250	4768K27	00000
				30 mm	SAK 30, SAS 30, SCJ 30, SCJT 30, STB 30	Steel	1	-65	250	4768K32	00000
				35 mm	SAK 35, SAS 35, SCJ 35, SCJT 35, STB 35	Steel	1	-65	250	4768K36	00000

Mounted Ball Bearings with Four-Bolt Flange

Smoother than smooth—the balls inside these bearings roll nearly friction-free. The four-bolt flange supports shafts with a stronger connection to the mounting surface than two-bolt alternatives.

Lubricate regularly to keep your bearing in tip-top shape. Bearings with seals keep lubricants in and contaminants out, and come packed with grease. Open bearings require initial lubrication and offer less protection against dust and debris.

Powder-Coated Cast Iron Housing—A rugged iron base coated in thick powder that protects against water, mild detergents, and oil. However, if the coating is scratched or chipped, the underlying iron may rust.

Clamp On—Tighten the clamping screw to close the collar around your shaft for a secure, mar-free grip. The collar centers the shaft, decreasing vibration and allowing for higher speeds than set screws. Also known as concentric lock bearings.

Sealmaster—Famous for exceptional sealing, Sealmaster bearings include a signature three-part seal in the inner ring. This design blocks out gritty debris and purges old grease to extend the life of the bearing.

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
	For Shaft Dia.	Lg.	Wd.	Flange Thk.	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Bearing Material	Bearing Seal Type	Misalignment Capability	Manufacturer		Each
Powder-Coated Cast Iron Housing







				Clamp On

				1"	3 3/4"	1 1/2"	17/32"	2,800	9,000	Steel	Sealed	2°	Sealmaster	3710T51	0000000


				1 3/16"	4 1/4"	1 5/8"	17/32"	4,350	7,600	Steel	Sealed	2°	Sealmaster	3710T52	000000
				1 1/4"	4 5/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T53	000000
				1 3/8"	4 5/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T54	000000
				1 7/16"	4 5/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T55	000000
				1 1/2"	5 1/8"	2 5/64"	9/16"	7,300	5,800	Steel	Sealed	2°	Sealmaster	3710T56	000000
				1 15/16"	5 5/8"	2 7/32"	9/16"	7,850	5,000	Steel	Sealed	2°	Sealmaster	3710T57	000000

Mounted Ball Bearings with Two-Bolt Flange

Smoother than smooth—the balls inside these bearings roll nearly friction-free. The sturdy housing supports the shaft and secures with a two-bolt flange, the most common type of flanged bearing.

Lubricate regularly to keep your bearing in tip-top shape. Bearings with seals and shields keep lubricants in and contaminants out, and come packed with grease. Open bearings require initial lubrication and offer less protection against dust and debris.

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
	For Shaft Dia.	Lg.	Wd.	Flange Thk.	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Bearing Material	Bearing Seal Type	Misalignment Capability	Manufacturer		Each
Powder-Coated Cast Iron Housing







				Clamp On

				1"	4 7/8"	1 1/2"	17/32"	2,800	9,000	Steel	Sealed	2°	Sealmaster	3710T41	0000000


				1 1/4"	6 1/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T43	000000
				1 3/8"	6 1/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T44	000000
				1 7/16"	6 1/8"	1 13/16"	9/16"	5,750	6,500	Steel	Sealed	2°	Sealmaster	3710T45	000000
				1 1/2"	6 3/4"	2 5/64"	9/16"	7,300	5,800	Steel	Sealed	2°	Sealmaster	3710T46	000000
				1 15/16"	7 7/16"	2 7/32"	9/16"	7,850	5,000	Steel	Sealed	2°	Sealmaster	3710T47	000000
				2"	8 1/2"	2 3/8"	13/16"	9,750	3,200	Steel	Sealed	2°	Sealmaster	3710T9	000000

Mounted Ball Bearings

Smoother than smooth—the balls inside these bearings roll nearly friction-free. The sturdy housing bolts down to support shafts as they turn.

SKF—Manufactured in Europe with a strong focus on precision. The more precise the bearing, the more efficiently it will run.

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
	For Shaft Dia.	Ctr. Ht.	Lg.	Wd.	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Bearing Material	Bearing Seal Type	Misalignment Capability	Manufacturer		Each
Powder-Coated Cast Iron Housing







				Clamp On

				3/4"	1 5/16"	5"	1 1/2"	2,600	10,200	Steel	Sealed	2°	Sealmaster	2722T31	0000000


				7/8"	1 7/16"	5 1/2"	1 1/2"	2,800	9,000	Steel	Sealed	2°	Sealmaster	2722T32	000000
				1"	1 7/16"	5 1/2"	1 1/2"	2,800	9,000	Steel	Sealed	2°	Sealmaster	2722T34	000000
				1 1/8"	1 11/16"	6 1/2"	1 7/8"	4,350	7,600	Steel	Sealed	2°	Sealmaster	2722T35	000000
				1 1/4"	1 11/16"	6 1/2"	1 7/8"	4,350	7,600	Steel	Sealed	2°	Sealmaster	2722T36	000000
				1 3/8"	1 7/8"	6 9/16"	1 7/8"	5,750	6,500	Steel	Sealed	2°	Sealmaster	2722T37	000000
				1 7/16"	1 7/8"	6 9/16"	1 55/64"	5,700	5,300	Steel	Shielded	2°	SKF	2722T24	000000
				1 7/16"	1 7/8"	6 9/16"	1 7/8"	5,750	6,500	Steel	Sealed	2°	Sealmaster	2722T38	000000
				1 1/2"	1 15/16"	7 1/4"	2 1/8"	7,300	5,850	Steel	Sealed	2°	Sealmaster	2722T39	000000
				1 3/4"	2 1/8"	7 1/2"	2 1/8"	7,900	5,300	Steel	Sealed	2°	Sealmaster	2722T41	000000
				1 15/16"	2 1/4"	8 1/8"	2 3/16"	7,900	4,000	Steel	Shielded	2°	SKF	2722T27	000000


				2"	2 1/2"	8 5/8"	2 3/8"	9,750	5,000	Steel	Sealed	2°	Sealmaster	2722T42	000000
				2 7/16"	2 3/4"	9 1/2"	2 3/4"	11,700	4,100	Steel	Sealed	2°	Sealmaster	2722T43	000000