Square Linear Bearings | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Carriage Profile

Carriage Length

Overall Height

Material

Travel Length

Dynamic Load Capacity

Less than 1,000 lb.

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Not Rated

Number of Mounting Holes

Rail Length

Load Fastening

Carriage Material

Mounting Hole Thread Size

Rail Height

Bearing Type

Static Load Capacity

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 39,999 lb.

40,000 lb. or greater

Height

Static Pitch Moment Load Capacity

Less than 250 ft·lbf

250 ft·lbf to 499 ft·lbf

500 ft·lbf to 999 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf or greater

Thread Size

Length

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1C999

EAR99

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

Yes

DFARS Specialty Metals

Exempt

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How can we improve?

1,033 Products

Power Transmission

Carriages and Guide Rails

Carry loads along guide rails on accurate and repeatable paths in automated systems

474 products

Carriage Guide Rail Mounts

Adapt guide rails to fit on T-slotted assemblies

7 products

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

40 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products

Building and Machinery Hardware

T-Slotted Framing Linear Bearings

Reduce friction in repeated and automated motion along T-slotted framing

100 products