2 1/4" Spacers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	For Shaft Diameter For Shaft Diameter

	Plain Bearing Type Plain Bearing Type


Sleeve	Flanged

	Length Length

	ID ID

	OD OD

	Material Material

	For Housing ID For Housing ID	Show

2 1/4"

	For Housing ID For Housing ID	Hide

	Dynamic Radial Load Capacity Dynamic Radial Load Capacity

	For Load Direction For Load Direction


Radial	Combined Radial and Thrust

	Bearing Type Bearing Type

	Plain

	Lubrication Lubrication

Not Required

Lubricated

Required

	Flange OD Flange OD

2 1/2"

3 1/2"

4 1/2"

	Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity

	Shaft Mount Type Shaft Mount Type

Slip Fit

Press Fit

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	For Shaft Type For Shaft Type

	Round

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Flange Thickness Flange Thickness

1/8"

1/4"

	Lubricant Lubricant

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61 Products

About Plain Bearings

Frelon Plastic
Bearings with
6061 Aluminum Shell

A metal shell adds strength.

Frelon bearings with 6061 aluminum shell reduce vibration and are chemically inert.

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.

Frelon Plastic Bearings with 6061 Aluminum Shell
For Housing ID	Lg.	Dynamic Radial Load Capacity	Temperature Range, °F		Each
For 2" Shaft Dia.
2 1/4"	3"	7,600 lbs. @ 30 rpm	-400° to 400°	00000000	0000000

High-Temperature Dry-Running Sleeve Bearings

Graphite provides a layer of dry lubrication that operates in high-temperature environments.

841 bronze bearings are porous and embedded with graphite for continuous lubrication.

954 aluminum-bronze bearings have high strength and excellent corrosion resistance, making them suitable for use in marine and mining applications.

Grooved bearings have a graphite-filled groove on the inside of the bearing that distributes lubricant evenly along the bearing’s surface.

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.

Embedded

Grooved

841 Bronze Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication Method	Temperature Range, °F		Each
For 2" Shaft Dia.
2 1/4"	2"	6,400 lbs. @ 30 rpm	Embedded	-50° to 700°	00000000	000000
2 1/4"	2 1/2"	8,000 lbs. @ 30 rpm	Embedded	-50° to 700°	00000000	00000
954 Aluminum-Bronze Bearings
For 2" Shaft Dia.
2 1/4"	2"	15,600 lbs. @ 30 rpm	Grooved	-350° to 500°	0000000	00000
2 1/4"	2 1/2"	19,500 lbs. @ 30 rpm	Grooved	-350° to 500°	0000000	00000

Chemical-Resistant Dry-Running Sleeve Bearings

Fiberglass-Backed PTFE Plastic

These bearings stand up to a wider range of chemicals than other dry-running sleeve bearings.

Fiberglass-backed PTFE are strong and vibration resistant. A layer of PTFE on the ID of the bearing reduces friction.

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.

Fiberglass-Backed PTFE Plastic Bearings
For Housing ID	Lg.	Dynamic Radial Load Cap.	Color	Temp. Range, °F		Each
For 2" Shaft Dia.
2 1/4"	1 1/2"	15,150 lbs. @ 30 rpm	Gray	-55° to 280°	00000000	000000
2 1/4"	3"	30,350 lbs. @ 30 rpm	Gray	-55° to 280°	00000000	00000

Multipurpose Dry-Running Sleeve Bearings

Reinforced with polyester fabric, these plastic bearings have load and speed capabilities comparable to metal bearings. Bearings resist corrosion in outdoor and saltwater environments.

Bearings with seals block out dust and contaminants.

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.

Polyester Fabric-Reinforced PTFE Plastic Bearings

Without Seals

For 2" Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F		Each
2 1/4"	2"	6,350 lbs. @ 30 rpm	Blue	-40° to 150°	0000000	000000

Polyester Fabric-Reinforced PTFE Plastic Bearings with Seals

With Seals

For 1 1/2" Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F		Each
2 1/4"	3"	9,500 lbs. @ 30 rpm	Blue	-40° to 150°	0000000	000000

Oil-Embedded Sleeve 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 3/4" Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
2 1/4"	2"	7,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	000000
2 1/4"	2 1/2"	8,600 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	3"	10,500 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	10° to 175°	00000000	00000
For 1 7/8" Shaft Dia.
2 1/4"	3/4"	2,700 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	2"	7,500 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	2 1/2"	9,350 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	3"	11,250 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	10° to 175°	00000000	00000
For 1 15/16" Shaft Dia.
2 1/4"	2"	7,750 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
For 2" Shaft Dia.
2 1/4"	1/2"	1,900 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	3/4"	2,900 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	1"	4,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	1 1/2"	5,900 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	2"	8,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	2 1/2"	10,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	3"	11,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	4"	16,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	0000000	000000

High-Load Oil-Embedded Sleeve 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 them to release a thin layer of oil on the bearing’s surface. Color is silver because of the iron. These bearings are also magnetic due to the high iron content.

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 2" Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
2 1/4"	2"	8,900 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	000000
2 1/4"	2 1/2"	11,100 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	00000
2 1/4"	4"	17,800 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	000000

Iron-Copper Bearings

For 2" Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
2 1/4"	1"	9,500 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	10° to 220°	0000000	000000
2 1/4"	2"	19,050 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	10° to 220°	0000000	00000

Multipurpose Sleeve Bearings

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

660 Leaded Bronze Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Temperature Range, °F		Each
For 1 1/2" Shaft Dia.
2 1/4"	3"	18,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	000000
For 1 3/4" Shaft Dia.
2 1/4"	1 3/4"	12,250 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
For 2" Shaft Dia.
2 1/4"	2"	16,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
2 1/4"	2 1/2"	20,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
2 1/4"	4"	32,000 lbs. @ 30 rpm	Required	-350° to 450°	0000000	00000

Multipurpose Sleeve Bearings with Groove

A figure-8-shaped groove provides a flow path for lubricant, distributing it evenly along the bearing’s surface. Bearings are cast bronze, making them strong, wear resistant, and excellent at handling shock loads. 660 leaded bronze is sometimes called 932 bronze.

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.

660 Leaded Bronze Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Temperature Range, °F		Each
For 1 1/2" Shaft Dia.
2 1/4"	3"	15,750 lbs. @ 30 rpm	Required	-350° to 450°	0000000	000000
For 1 3/4" Shaft Dia.
2 1/4"	1 3/4"	10,700 lbs. @ 30 rpm	Required	-350° to 450°	0000000	00000
For 2" Shaft Dia.
2 1/4"	2"	14,000 lbs. @ 30 rpm	Required	-350° to 450°	0000000	00000
2 1/4"	2 1/2"	17,500 lbs. @ 30 rpm	Required	-350° to 450°	0000000	00000

Corrosion-Resistant Sleeve Bearings with Groove

Grooves on the inside of the bearing provide a flow path for lubricant, distributing it evenly along the bearing’s surface. The addition of iron and aluminum provides high strength and excellent corrosion resistance.

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
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Temperature Range, °F		Each
For 2" Shaft Dia.
2 1/4"	2"	15,600 lbs. @ 30 rpm	Required	-350° to 500°	0000000	000000
2 1/4"	2 1/2"	19,500 lbs. @ 30 rpm	Required	-350° to 500°	0000000	00000

Multipurpose Dry-Running Flanged Sleeve Bearings

Reinforced with polyester fabric, these plastic bearings have load and speed capabilities comparable to metal bearings. Bearings resist corrosion in outdoor and saltwater environments.

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.

Polyester Fabric-Reinforced PTFE Plastic Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Color	Temperature Range, °F		Each
For 2" Shaft Dia.
2 1/4"	2"	2 1/2"	1/4"	6,350 lbs. @ 30 rpm	2,250 lbs. @ 30 rpm	Blue	-40° to 150°	0000000	000000

High-Load Dry-Running Flanged Sleeve Bearings

An aluminum shell adds strength. Made of Frelon, a PTFE composite, these bearings are both slippery and chemically inert.

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.

Frelon Plastic Bearings with 6061 Aluminum Shell
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Temperature Range, °F		Each
For 2" Shaft Dia.
2 1/4"	3"	2 1/2"	1/8"	7,600 lbs. @ 30 rpm	1,800 lbs. @ 30 rpm	-400° to 400°	00000000	0000000

High-Temperature Dry-Running Flanged Sleeve Bearings

SAE 841 Bronze

Graphite provides a layer of dry lubrication that operates in high-temperature environments.

841 bronze bearings are porous and embedded with graphite for continuous lubrication. They handle higher temperatures than 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.

841 Bronze Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Temperature Range, °F		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	7,000 lbs. @ 30 rpm	7,450 lbs. @ 30 rpm	-50° to 700°	0000000	000000

Oil-Embedded Flanged Sleeve 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 Bearing Bronze Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	8,750 lbs. @ 30 rpm	9,300 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	000000
For 2" Shaft Dia.
2 1/4"	3/4"	2 1/2"	1/8"	3,000 lbs. @ 30 rpm	3,500 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	1 1/4"	2 1/2"	1/8"	5,000 lbs. @ 30 rpm	3,500 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
2 1/4"	2"	2 1/2"	1/8"	8,000 lbs. @ 30 rpm	3,500 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000

High-Load Oil-Embedded Flanged Sleeve 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.

Iron-copper bearings support heavier loads than 863 iron-copper 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 Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	11,100 lbs. @ 30 rpm	6,900 lbs. @ 30 rpm	Lubricated	ISO 460 Oil	-15° to 300°	0000000	000000
For 2" Shaft Dia.
2 1/4"	3/4"	2 1/2"	1/8"	3,300 lbs. @ 30 rpm	3,100 lbs. @ 30 rpm	Lubricated	ISO 460 Oil	-15° to 300°	00000000	0000
2 1/4"	1 1/4"	2 1/2"	1/8"	5,550 lbs. @ 30 rpm	3,100 lbs. @ 30 rpm	Lubricated	ISO 460 Oil	-15° to 300°	00000000	00000
2 1/4"	2"	2 1/2"	1/8"	8,900 lbs. @ 30 rpm	3,100 lbs. @ 30 rpm	Lubricated	ISO 460 Oil	-15° to 300°	00000000	00000
Iron-Copper Bearings
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	23,850 lbs. @ 30 rpm	14,800 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	10° to 220°	0000000	00000
For 2" Shaft Dia.
2 1/4"	2"	2 1/2"	1/8"	19,050 lbs. @ 30 rpm	6,750 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	10° to 220°	0000000	00000

Ultra-Low-Friction Oil-Embedded Flanged Sleeve Bearings

For applications with frequent starts and stops, the oil in these bearings contains particles of slippery PTFE that lubricate the bearing during startup.

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 Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	10,500 lbs. @ 30 rpm	9,300 lbs. @ 30 rpm	Lubricated	ISO 68 Oil	-140° to 460°	00000000	000000
For 2" Shaft Dia.
2 1/4"	2"	2 1/2"	1/8"	10,000 lbs. @ 30 rpm	3,500 lbs. @ 30 rpm	Lubricated	ISO 68 Oil	-140° to 460°	00000000	00000

Multipurpose Flanged Sleeve Bearings

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

660 Leaded Bronze Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Lubrication	Temperature Range, °F	PV Max.		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	17,500 lbs. @ 30 rpm	14,800 lbs. @ 30 rpm	Required	-350° to 450°	75,000	0000000	000000
For 2" Shaft Dia.
2 1/4"	3/4"	2 1/2"	1/8"	6,000 lbs. @ 30 rpm	6,750 lbs. @ 30 rpm	Required	-350° to 450°	__	00000000	00000
2 1/4"	1 1/4"	3 1/2"	1/8"	10,000 lbs. @ 30 rpm	17,650 lbs. @ 30 rpm	Required	-350° to 450°	__	00000000	00000
2 1/4"	2"	4 1/2"	1/8"	16,000 lbs. @ 30 rpm	27,050 lbs. @ 30 rpm	Required	-350° to 450°	__	0000000	00000

Corrosion-Resistant Flanged Sleeve 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
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Lubrication	Temperature Range, °F		Each
For 1 3/4" Shaft Dia.
2 1/4"	2 1/2"	3"	1/4"	19,650 lbs. @ 30 rpm	20,950 lbs. @ 30 rpm	Required	-350° to 500°	0000000	000000

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About Plain Bearings

High-Load Dry-Running Sleeve Bearings

High-Temperature Dry-Running Sleeve Bearings

Chemical-Resistant Dry-Running Sleeve Bearings

Multipurpose Dry-Running Sleeve Bearings

Oil-Embedded Sleeve Bearings

High-Load Oil-Embedded Sleeve Bearings

Multipurpose Sleeve Bearings

Multipurpose Sleeve Bearings with Groove

Corrosion-Resistant Sleeve Bearings with Groove

Multipurpose Dry-Running Flanged Sleeve Bearings

High-Load Dry-Running Flanged Sleeve Bearings

High-Temperature Dry-Running Flanged Sleeve Bearings

Oil-Embedded Flanged Sleeve Bearings

High-Load Oil-Embedded Flanged Sleeve Bearings

Ultra-Low-Friction Oil-Embedded Flanged Sleeve Bearings

Multipurpose Flanged Sleeve Bearings

Corrosion-Resistant Flanged Sleeve Bearings