Guide Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Length

OD

ID

Plain Bearing Type

Material

Stainless Steel

For Housing ID

0.3124" to 0.3130"

0.3749" to 0.3755"

0.3750" to 0.3755"

0.3755" to 0.3764"

0.3760" to 0.3770"

Bearing Type

Shaft Mount Type

Lubrication

For Load Direction

Combined Radial and Thrust

Flange OD

Shaft Type

Round with Support Rail

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Bearing Material

Stainless Steel

Dynamic Radial Load Capacity @ Speed

390 lb. @ 10 rpm

480 lb. @ 10 rpm

700 lb. @ 10 rpm

30,550 lb. @ 10 rpm

45,800 lb. @ 10 rpm

85 lb. @ 20 rpm

95 lb. @ 20 rpm

115 lb. @ 20 rpm

120 lb. @ 20 rpm

130 lb. @ 20 rpm

165 lb. @ 20 rpm

175 lb. @ 20 rpm

215 lb. @ 20 rpm

235 lb. @ 20 rpm

260 lb. @ 20 rpm

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Flange Thickness

Roller Diameter

Overall Length

Roller Profile

Minimum Temperature

-400° F or less

-399° F to -250° F

-249° F to -100° F

-99° F to 0° F

Greater than 0° F

How can we improve?

8,859 Products

Power Transmission

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Flanged Sleeve Bearings

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

Mounted Bearings

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

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

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

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

Positioning Slides

Positioning Slides

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

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

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

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

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