Precision Guides | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Carriage Length

Overall Height

Travel Length

Carriage Profile

Number of Mounting Holes

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

Load Fastening

From Bottom

From Top

Mounting Hole Thread Size

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

Bearing Type

Rail Length

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

Bearing Material

Plastic

Stainless Steel

Steel

Mounting Fastener Thread Size

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

Lubrication

Lubricated

Required

Not Required

Static Yaw Moment Load Capacity

REACH

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

742 Products

Power Transmission

Positioning Slides

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

45 products

Guide Rail Carriages

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

312 products

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

85 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products