Guide Blocks | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Overall Height

Travel Length

Carriage Length

Shaft Diameter

Carriage Profile

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

Bearing Type

Length

Number of Mounting Holes

Material

Stainless Steel

Carriage Material

Stainless Steel

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

Load Fastening

Mounting Hole Thread Size

Housing Type

Overall Length

Rail Length

Bearing Material

Stainless Steel

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

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

2,127 Products

Power Transmission

Guide Rail Carriages

Guide Rail Carriages

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

Positioning Slides

Positioning Slides

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

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Roller Chain Alignment Tools

Roller Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

Roller Chain Guides

Roller Chain Guides

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

Ball Screw Nuts

Ball Screw Nuts

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

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

Ball Splines and Bearings

Ball Splines and Bearings

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

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Track Rollers

Support and carry objects as they move along conveyor systems

Sleeve Splines

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

Fabricating and Machining

Alignment Locks

Alignment Locks

Precisely align your mold halves

Band Saw Blade Guides

Band Saw Blade Guides

Support band saw blades for accurate straight and contoured cuts

Blade Sharpener Guides

Blade Sharpener Guides

Strike your sharpening stone with your blade at the correct angle for a razor-sharp edge—every time

Safety Equipment

Parking Curbs

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

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