6.51mm OD Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

0.1562" to 2.75"

1/2" to 3 3/16"

1/2" to 20 1/2"

3/4" to 13 3/4"

7/8" to 11 7/8"

7/8" to 14 3/4"

7/8" to 23 5/8"

1 1/32" to 8 5/8"

1 1/32" to 9 7/8"

1 1/32" to 11 1/32"

1 1/32" to 11 7/8"

1 1/4" to 4 1/2"

1 1/2" to 4 1/4"

1 1/2" to 11 7/8"

1 1/2" to 15 3/4"

1 1/2" to 17 3/4"

1 1/2" to 19 3/4"

2 1/4" to 7 1/4"

2 1/4" to 15 3/4"

2 1/2" to 5 3/4"

2 3/4" to 9 1/2"

3 1/4" to 11 3/4"

4 1/4" to 14 3/4"

ID

Plain Bearing Type

Length

Bearing Type

For Housing ID

Material

841 Bearing Bronze

For Load Direction

Combined Radial and Thrust

Dynamic Radial Load Capacity @ Speed

31 lb. @ 120 rpm

Shaft Mount Type

Flange OD

Lubrication Method

Maximum Temperature

250° F to 499° F

Minimum Temperature

-99° F to -1° F

P Max

PV Max

REACH

RoHS

Shaft Type

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

V Max

Base Oil

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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2 Products

About Sleeve Bearings

Choose a sleeve bearing that matches your load and speed requirements and that's right for your environment.

Oil-Embedded Sleeve Bearings

Install and forget these self-lubricating bearings. All are made from porous metal and saturated with oil to reduce maintenance and downtime. A good all-around choice, they are used in everything from palm-sized fans in electronics to tire-sized pulleys. Although these bearings will work in most conditions, oil may drip away if temperatures get too high. Consider a graphite-lubricated bearing for higher temperatures or places where you can’t afford the mess. All are fabricated, lubricated, and inspected in the U.S.

With no moving parts, sleeve bearings are the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.

841 Bearing Bronze—A classic choice for a starter pick. Also known as SAE 841 bearings.

Synthetic Oil Base—A high-quality lubricant makes all the difference. Synthetic oil is less sensitive to temperature changes than mineral oil, so it won't get runny and leak away at higher temperatures.

	For Shaft Dia., mm	For Housing ID, mm	Lg., mm	Dynamic Radial Load Cap. @ Speed	Base Oil	Temp. Range, ° F		Each
841 Bearing Bronze



		2.5	6.5	4	31 lb. @ 120 rpm	Synthetic Oil	-35 to 300	6658K63	000000

Oil-Embedded Flanged Sleeve Bearings

Image of Product. Front orientation. Contains Annotated. Flanged Sleeve Bearings. Oil-Embedded Flanged Sleeve Bearings.

Install and forget these self-lubricating bearings. All are made from porous metal and saturated with oil to reduce maintenance and downtime. A good all-around choice, they are used in everything from palm-sized fans in electronics to tire-sized pulleys. Although these bearings will work in most conditions, oil may drip away if temperatures get too high. Consider a graphite-lubricated bearing for higher temperatures or places where you can’t afford the mess. All are fabricated, lubricated, and inspected in the U.S.

Flanged sleeve bearings combine a sleeve and thrust bearing in one. The flange supports thrust loads and prevents the bearing from being pushed out of place. The sleeve is the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.

841 Bearing Bronze—A classic choice for a starter pick. Also known as SAE 841 bearings.

Synthetic Oil Base—A high-quality lubricant makes all the difference. Synthetic oil is less sensitive to temperature changes than mineral oil, so it won't get runny and leak away at higher temperatures.

	For Shaft Dia., mm	For Housing ID, mm	Lg., mm	Flange OD, mm	Flange Thk., mm	Dynamic Radial Load Cap. @ Speed	Dynamic Thrust Load Cap. @ Speed	Base Oil	Temp. Range, ° F		Each
841 Bearing Bronze



		2.5	6.5	4	8.5	2	31 lb. @ 120 rpm	160 lb. @ 120 rpm	Synthetic Oil	-35 to 300	6659K63	000000

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)