50mm Housing ID Bearings

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About Plain Bearings

About Ball and Roller Bearings

A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.

Sealed bearings have even better resistance to dust and contaminants than open bearings.

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

Metric Bearings

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
Sealed
6708-2RS	40	50	6	440C Stainless Steel	560	500	6,000	Lubricated	-10° to 200°	ABEC-1	00000000	0000000

Ultra-Thin Ball Bearings

Open

These bearings have twice as many contact points as angular-contact ball bearings. Fit onto large-diameter hollow shafts to run air and hydraulic lines, electrical wiring, and other components through moving parts in assemblies such as index and rotary tables, packaging equipment, and robotics.

Open bearings dissipate heat more efficiently than shielded bearings.

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

			Radial Load Cap., lbs.		Thrust Load Cap., lbs.		Moment Load Cap., ft.-lbs.
For Shaft Dia.	For Housing ID	Wd.	Dynamic	Static	Dynamic	Static	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
Steel Ring
Open
40mm	50mm	6mm	560	500	Not Rated	Not Rated	Not Rated	Not Rated	5,000	Lubricated	-50° to 130°	ABEC-1	00000000	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.

Metric 841 Bronze Bearings

For 40 mm Shaft Dia.
For Housing ID, mm	Lg., mm	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
50	25	3,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	000000
50	30	3,700 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
50	35	4,200 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
50	40	4,950 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
50	50	6,000 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000
50	60	7,400 lbs. @ 30 rpm	Lubricated	SAE 30 Oil	-35° to 300°	00000000	00000

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 40mm Shaft Dia.
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
50mm	30mm	5,250 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	000000
50mm	40mm	7,000 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	00000
50mm	60mm	10,500 lbs. @ 30 rpm	Lubricated	SAE 90 Oil	-15° to 300°	00000000	00000

High-Load Ultra-Low-Friction Oil-Embedded Sleeve Bearings

With extra iron and filled with oil containing slippery PTFE, these bearings support heavy loads that frequently start and stop along shafts. Startup friction causes a thin layer of oil to release onto the surface. Their high iron content also means they resist failing if their load suddenly and drastically increases, but they won’t run as fast as standard bearings. As sleeve bearings, they handle loads parallel to the shaft.

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 Bearing Bronze
For Housing ID, mm	Length, mm	Dynamic Radial Load Capacity	Lubrication	Lubricant	Temperature Range, °F		Each
For 40 mm Shaft Dia.
50	30	5,250 lbs. @ 30 rpm	Lubricated	SAE 20 Oil with PTFE	-60° to 300°	00000000	000000
50	40	7,000 lbs. @ 30 rpm	Lubricated	SAE 20 Oil with PTFE	-60° to 300°	00000000	00000
50	60	10,500 lbs. @ 30 rpm	Lubricated	SAE 20 Oil with PTFE	-60° to 300°	00000000	00000

Light Duty Dry-Running Sleeve Bearings

Use where high loads and speeds are not required.

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.

Metric Nylon Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F		Each
For 40mm Shaft Dia.
50mm	25mm	310 lbs. @ 30 rpm	Off-White	-10° to 220°	00000000	000000
50mm	50mm	620 lbs. @ 30 rpm	Off-White	-10° to 220°	00000000	00000

Food Industry Dry-Running Sleeve Bearings

Made of FDA-listed materials or FDA compliant, these bearings are for use in food applications. They also withstand caustic and washdown environments.

Acetal bearings are FDA compliant for direct contact with food. They’re also bright blue, making them easy to spot if they fall into your line.

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.

Metric Acetal Plastic Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F	Specifications Met		Each
For 45mm Shaft Dia.
50mm	20mm	43 lbs. @ 30 rpm	Blue	-50° to 190°	FDA Compliant 21 CFR 177.1550	00000000	00000
50mm	40mm	43 lbs. @ 30 rpm	Blue	-50° to 190°	FDA Compliant 21 CFR 177.1550	00000000	0000

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.

Metric 660 Leaded Bronze Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Temperature Range, °F		Each
For 40mm Shaft Dia.
50mm	50mm	12,400 lbs. @ 30 rpm	Required	-350° to 450°	00000000	000000
50mm	65mm	16,100 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	75mm	18,600 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	100mm	24,800 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
For 45mm Shaft Dia.
50mm	40mm	11,150 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	50mm	13,950 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	100mm	27,900 lbs. @ 30 rpm	Required	-350° to 450°	00000000	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.

Metric 660 Leaded Bronze Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Lubrication	Temperature Range, °F		Each
For 40mm Shaft Dia.
50mm	50mm	14,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	000000
50mm	65mm	18,200 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	75mm	21,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
50mm	100mm	28,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000
For 45mm Shaft Dia.
50mm	75mm	21,000 lbs. @ 30 rpm	Required	-350° to 450°	00000000	00000

Light Duty Dry-Running Flanged Sleeve Bearings

Use where high loads and speeds are not required.

Thermoplastic-blend bearings have low moisture absorption and create very low friction in applications with light loads, and frequent starts and stops.

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.

Thermoplastic-Blend Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Color	Temperature Range, °F		Each
For 45mm Shaft Dia.
50mm	20mm	58mm	2mm	970 lbs. @ 30 rpm	880 lbs. @ 30 rpm	Yellow	-50° to 190°	00000000	00000

Food Industry Dry-Running Flanged Sleeve Bearings

Made of FDA listed materials for use in food applications, these bearings also withstand caustic and washdown environments.

Acetal bearings are FDA compliant for direct contact with food. They’re commonly used on machines in food plants and manufacturing plants for packaging and healthcare equipment. These bearings are bright blue, so they’re easy to spot in your line in case of breakage.

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.

Acetal Plastic Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Color	Temperature Range, °F	Specifications Met		Each
For 45mm Shaft Dia.
50mm	50mm	58mm	2mm	2,150 lbs. @ 30 rpm	1,700 lbs. @ 30 rpm	Blue	-50° to 190°	FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 178.3297	000000000	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.

Metric 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 40mm Shaft Dia.
50mm	30mm	60mm	5mm	3,750 lbs. @ 30 rpm	3,250 lbs. @ 30 rpm	Blue	-40° to 150°	0000000	000000

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.

Metric 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 40mm Shaft Dia.
50mm	30mm	60mm	5mm	7,400 lbs. @ 30 rpm	9,700 lbs. @ 30 rpm	Required	-350° to 450°	75,000	0000000	000000
50mm	35mm	60mm	5mm	8,650 lbs. @ 30 rpm	9,700 lbs. @ 30 rpm	Required	-350° to 450°	__	00000000	00000
50mm	40mm	60mm	5mm	9,900 lbs. @ 30 rpm	9,700 lbs. @ 30 rpm	Required	-350° to 450°	__	00000000	00000

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About Plain Bearings

About Ball and Roller Bearings

Permanently Lubricated Stainless Steel Ball Bearings

Ultra-Thin Ball Bearings

Oil-Embedded Sleeve Bearings

High-Load Oil-Embedded Sleeve Bearings

High-Load Ultra-Low-Friction Oil-Embedded Sleeve Bearings

Light Duty Dry-Running Sleeve Bearings

Food Industry Dry-Running Sleeve Bearings

Multipurpose Sleeve Bearings

Multipurpose Sleeve Bearings with Groove

Light Duty Dry-Running Flanged Sleeve Bearings

Food Industry Dry-Running Flanged Sleeve Bearings

Multipurpose Dry-Running Flanged Sleeve Bearings

Multipurpose Flanged Sleeve Bearings