Guide Blocks | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Shaft Diameter

Overall Height

Carriage Length

Travel Length

Carriage Profile

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

Bearing Type

Carriage Material

Overall Length

Stroke Length

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

Not Rated

Mounting Hole Thread Size

Load Fastening

Bearing Material

Housing Type

Material

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

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

REACH

2,100 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

Positioning Slides

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

155 products

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

6 products

Linear Bearings

Minimize friction as parts move along a shaft

395 products

Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

1 product

Chain Guides

Align roller chain to limit friction, reducing noise and prolonging the chain's life

34 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products

Air Slides

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

449 products

Electric Actuators

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

25 products

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

6 products

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

18 products

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

25 products

Track Rollers

Support and carry objects as they move along conveyor systems

1 product

Material Handling

Robot Positioning Slides

Extend the horizontal reach of your Universal Robots arm

5 products

Fabricating and Machining

Alignment Locks

Precisely align your mold halves

25 products

Band Saw Blade Guides

Support band saw blades for accurate straight and contoured cuts

7 products

Safety Equipment

Parking Curbs

Designate parking spaces and block drivers from pulling too far into a space

3 products