Thread-Mount Bearings | McMaster-Carr

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Mounted Bearing Type

Thread Mount

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Shaft Diameter

Center Height

Set Screw Thread Size

1/4"-28

5/16"-24

3/8"-24

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Bearing Seal Type

Shaft Mount Type

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For Load Direction

Housing Material

Bearing Material

Bearing Type

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Static Radial Load Capacity

Alignment Style

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Lubrication

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RoHS

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

DFARS Specialty Metals

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9 Products

Thread-Mount Ball Bearings

Smoother than smooth—the balls roll nearly friction-free inside a sturdy housing to support shafts as they turn. A good solution when you lack flat mounting surfaces, these bearings mount directly onto the ends of threaded pipe. Just twist to tighten and mount them in a variety of positions.

Lubricate regularly to keep your bearing in tip-top shape. These bearings come packed with grease and sealed to block out dust and contaminants.

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.

Set Screw—Turn the screw to lock your shaft in place. A simple, reliable choice, set screws grip tightly, but they can mar shaft surfaces.

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.

	Bearings												Replacement Bearings
			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		Each
Powder-Coated Cast Iron Housing







				Set Screw

				1"	2 1/2"	3 1/8"	1 1/2"	4,350	6,300	Steel	Sealed	2°	Sealmaster	1486N1	0000000	———	0


				1 1/4"	2 3/4"	3 5/8"	1 11/16"	5,750	4,600	Steel	Sealed	2°	Sealmaster	1486N2	000000	7728T119	0000000
				1 1/2"	2 7/8"	3 3/4"	1 15/16"	7,300	4,100	Steel	Sealed	2°	Sealmaster	1486N3	000000	7728T124	000000
				2"	3 1/4"	4 3/8"	2 1/32"	7,850	3,500	Steel	Sealed	2°	Sealmaster	1486N5	000000	———	0
				2 7/16"	4"	5 5/8"	2 9/16"	11,700	3,000	Steel	Sealed	2°	Sealmaster	1486N7	000000	7728T131	000000
				30 mm	63.5 mm	79.4 mm	38.1 mm	4,350	5,400	Steel	Sealed	2°	Sealmaster	1486N9	000000	———	0