Guide Blocks | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Overall Height

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Material

Carriage Profile

Bearing Type

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

Length

Number of Mounting Holes

Housing Type

Load Fastening

Carriage Material

Mounting Hole Thread Size

Rail Length

Stroke Length

Height

Thread Size

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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2,128 Products

Power Transmission

Carriages and Guide Rails

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

474 products

Carriage Guide Rail Mounts

Adapt guide rails to fit on T-slotted assemblies

7 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

82 products

Air Slides

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

485 products

Electric Actuators

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

24 products

Linear Bearings

Minimize friction as parts move along a shaft

395 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products

Roller Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

1 product

Roller Chain Guides

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

34 products

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

40 products

Positioning Slides

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

78 products

Ball Screw Nuts

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

6 products

Ball Splines and Bearings

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

51 products

Sleeve Splines and Bearings

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

21 products

Precision Lead Screw Nuts

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

18 products

Track Rollers

Support and carry objects as they move along conveyor systems

4 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

21 products

Sharpening Guides

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

2 products

Safety Equipment

Parking Curbs

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

6 products