Square Linear Bearings | McMaster-Carr

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Rail Width

Carriage Width

Carriage Length

Carriage Profile

Overall Height

Travel Length

Carriage Material

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

Static Load Capacity

Less than 10,000 lb.

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

Not Rated

Number of Mounting Holes

Length

System of Measurement

Bearing Type

Mounting Hole Thread Size

Load Fastening

Bearing Material

Rail Height

Lubrication

Rail Length

T-Slotted Framing Rail Profile

Single

Double

Triple

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

Not Rated

Static Roll Moment Load Capacity

Less than 500 ft·lbf

500 ft·lbf to 999 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf to 2,999 ft·lbf

3,000 ft·lbf or greater

Not Rated

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Not Compliant

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1,032 Products

Power Transmission

Guide Rail Carriages

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

389 products

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

119 products

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

7 products

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

6 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