2 7/8" OD Bearings | McMaster-Carr

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9 Products

About Plain Bearings

About Ball and Roller Bearings

Startup friction causes these porous bronze bearings to release a thin layer of oil on the bearing’s surface. They are also known as Oilite® bearings.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

841 Bronze Bearings

For 1" Shaft Dia.
OD	Thick.	Dynamic Thrust Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
2 7/8"	1/8"	6,300 lbs. @ 60 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	000000

High-Load Oil-Embedded Thrust Bearings

Increased iron content makes these bearings stronger and more resistant to shock loads than standard oil-embedded bearings; however they operate at lower speeds. Startup friction causes these bearings to release a thin layer of oil onto their surface. Color is silver because of the iron.

863 iron-copper bearings are also known as Super Oilite® bearings.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

863 Iron-Copper Bearings

For 1" Shaft Dia.
OD	Thick.	Dynamic Thrust Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
2 7/8"	1/8"	4,400 lbs. @ 60 rpm	Lubricated	SAE 90 Oil	-15° to 300°	0000000	00000

Multipurpose Thrust Bearings

These 932 bearing bronze bearings are strong, wear resistant, and excellent at handling shock loads. They’re sometimes called 660 leaded bronze bearings.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

932 Bearing Bronze
OD	Thick.	Dynamic Thrust Load Capacity	Lubrication	Temperature Range, °F		Each
For 1" Shaft Dia.
2 7/8"	1/8"	9,450 lbs. @ 60 rpm	Required	-350° to 450°	000000	000000

Corrosion-Resistant Thrust Bearings

The addition of iron and aluminum gives these bearings high strength and excellent corrosion resistance—making them suitable for use in marine and mining applications.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

954 Aluminum-Bronze Bearings
OD	Thick.	Dynamic Thrust Load Capacity	Lubrication	Temperature Range, °F		Each
For 1" Shaft Dia.
2 7/8"	1/8"	15,750 lbs. @ 60 rpm	Required	-350° to 500°	0000000	000000

Needle-Roller Thrust Bearings

Thinner rollers allow these bearings to fit in tighter spaces than tapered-roller thrust bearings. Because of the large contact area between the rollers and washers (not included), these bearings are great for medium to heavy duty, low-friction jobs. For use on hardened and ground surfaces.

Washers allow you to use the bearing on unhardened and unground surfaces.

For technical drawings and 3-D models, click on a part number.

Bearings

Bearing

			Thrust Load Cap., lbs.
For Shaft Dia.	OD	Thick.	Dynamic	Static	Max. Speed, rpm	Lubrication	For Shaft Surface Smoothness (Ra), microns	Temp. Range, °F		Each
Steel Rollers
Open
2 1/8"	2 7/8"	0.0781"	5,450	30,800	5,800	Required	0.2	0° to 240°	00000000	00000

Washers

Washer

For Shaft Dia.	OD	Thick.	Washer Material		Each
2 1/8"	2 7/8"	1/32"	Steel	00000000	00000
2 1/8"	2 7/8"	1/16"	Steel	00000000	0000

Washers for Needle-Roller Thrust Bearings

Washer

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

For technical drawings and 3-D models, click on a part number.

For Shaft Dia.	OD	Thick.	Washer Material		Each
2 1/8"	2 7/8"	1/32"	Steel	00000000	00000
2 1/8"	2 7/8"	1/16"	Steel	00000000	0000

Quick-Grip Screw-Clamp Bushings

Also known as Trantorque bushings, these tighten with a twist of the collar nut—no screws needed. As you tighten the collar nut, the inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.

For technical drawings and 3-D models, click on a part number.

Steel
For Shaft Dia.	OD	Overall Wd.	Max. Torque, in.-lbs.		Each
2"	2 7/8"	3 9/16"	12,000	0000000	0000000