Rail Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Bearing Type

Rail Width

Overall Length

Shaft Type

Round with Support Rail

Housing Type

Overall Height

Carriage Width

ID

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

Travel Length

Bearing Material

Stainless Steel

Carriage Length

Stroke Length

Less than 100 mm

100 mm to 199 mm

200 mm to 249 mm

250 mm to 499 mm

500 mm or greater

Linear Bearing Component

Bearing in Housing

Number of Mounting Holes

OD

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

Carriage Profile

Carriage Material

Stainless Steel

Shaft Material

Stainless Steel

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

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2,480 Products

Power Transmission

Guide Rail Carriages

Guide Rail Carriages

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

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Housings

Linear Bearing Housings

Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Track Rollers

Support and carry objects as they move along conveyor systems

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

Electric Actuators

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

Sleeve Splines

Pair with sleeve spline bearings to transmit rotary power or move loads along the shaft

Ball Splines and Bearings

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

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