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System of Measurement
Inch
Metric
Diameter
1/32"
3/64"
1/16"
5/64"
3/32"
1/8"
5/32"
3/16"
7/32"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
Length
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
13/16"
7/8"
1"
1
1/16"
1
3/16"
1
7/32"
1
1/4"
1
5/16"
1
3/8"
1
1/2"
1
9/16"
1
19/32"
Material
Aluminum
Brass
Bronze
Carbon
Ceramic
Felt
Fiberglass
Glass
Iron
Metal
Plastic
Rubber
Stainless Steel
Steel
Wood
Zinc Alloy
End Type
Plain
Retaining Ring Groove
Shaft Collar
Step Down
Tapped
Threaded
Shaft Diameter
1/8"
3/16"
1/4"
5/16"
3/8"
7/16"
15/32"
1/2"
5/8"
3/4"
7/8"
1"
1
1/8"
1
1/4"
1
1/2"
2"
2
1/2"
3 mm
4 mm
5 mm
6 mm
8 mm
10 mm
12 mm
13 mm
14 mm
15 mm
16 mm
17 mm
20 mm
22 mm
25 mm
30 mm
35 mm
40 mm
45 mm
50 mm
60 mm
Mechanical Finish
Polished
Precision Ground
Turned
Shaft Type
D-Profile
Hollow
Keyed
Round
Round with Support Rail
Screw
Splined
Thread Size
2-56
4-40
5-40
6-32
8-32
10-24
10-32
1/4"
-20
1/4"
-28
5/16"
-18
5/16"
-24
3/8"
-16
3/8"
-24
7/16"
-14
7/16"
-20
1/2"
-13
1/2"
-20
9/16"
-20
Bearing Type
Ball
Plain
Roller
Edge Type
Chamfered
Straight
For Motion
Linear
Linear and Rotary
Rotary
Spiral
Roller Diameter
3/16"
1/4"
3/8"
1/2"
9/16"
0.58"
5/8"
11/16"
0.711"
3/4"
0.77"
0.771"
13/16"
7/8"
0.9"
1"
1
1/16"
1
1/8"
Travel Length
0.5"
0.75"
1"
1
1/4"
1.5"
1
9/16"
1
7/8"
2"
2
11/16"
3"
3
1/8"
3.5"
3.56"
3
3/4"
3
13/16"
4"
4.35"
4.5"
RoHS
Compliant
Compliant with Exemptions
Not Compliant
REACH
Compliant
Not Compliant
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
Export Control Classification Number (ECCN)
1C999
EAR99
DFARS Specialty Metals
Compliant
Exempt
Overall Length
1/2"
9/16"
3/4"
7/8"
1"
1
1/16"
1
3/16"
1
7/32"
1
1/4"
1
5/16"
1
3/8"
1
1/2"
1
9/16"
1
19/32"
1
5/8"
1
21/32"
1
11/16"
1
3/4"
Roller Profile
Crowned
Flat
V
Hardness
Brinell 120
Brinell 150
Brinell 160
Brinell 163
Brinell 167
Brinell 190
Brinell 197
Brinell 203
Brinell 225
Durometer 80A
Rockwell B25
Rockwell B70
Rockwell B75
Rockwell B80
Rockwell B83
Rockwell B84
Rockwell B85
Rockwell B87
OD
5/16"
3/8"
1/2"
5/8"
13/16"
7/8"
1
1/8"
1
1/4"
1
1/2"
1
9/16"
1
3/4"
2"
2
1/4"
2
3/8"
2
1/2"
2
5/8"
3"
3
5/8"
Hardness Rating
Soft
Medium
Hard
Extra Hard
Ultra Hard
Not Rated
Rail Width
0.16"
0.25"
0.38"
1/2"
0.516"
3/4"
0.79"
0.88"
0.94"
1"
1.02"
1
1/32"
1.16"
1.328"
1.48"
1
1/2"
1.58"
1
19/32"
ID
0.125"
0.188"
1/4"
0.251"
5/16"
0.313"
3/8"
0.376"
0.390"
7/16"
0.438"
1/2"
0.5008"
0.501"
0.515"
0.599"
5/8"
0.626"
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7,118 Products
Power Transmission
Carriages and Guide Rails
Carry loads along guide rails on accurate and repeatable paths in automated systems
474 products
Positioning Slides
A lead screw drives the carriage for accurate positioning in laboratory and production equipment
78 products
Telescoping Rails
Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms
40 products
Track Rollers
Support and carry objects as they move along conveyor systems
719 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
9 products
Ball Screw/Splines and Bearings
Transmit rotary power, move loads along the shaft, or do both at once
3 products
Linear Bearings
Minimize friction as parts move along a shaft
816 products
Linear Bearing Housings
Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings
22 products
Linear Shafts
Pair with linear bearings and shaft supports to create smooth, precise motion
1,318 products
Sleeve Splines and Bearings
Combine sleeve splines and bearings to create linear and rotary motion systems
21 products
Linear Bearing Brakes
Lock bearings in place on a shaft for precise positioning
10 products
Rotary Shafts
Pair with gears, sprockets, and bearings to transmit rotary motion
1,762 products
Idler Shafts
Support idler sprockets and pulleys in tensioning applications
28 products
Gear Box Shafts
Convert output drives from female to male
10 products
Linear Drive Nuts
Create a linear positioning system on a rotary shaft without a lead screw
3 products
Building and Machinery Hardware
T-Slotted Framing and Fittings
The most versatile system, attach fittings along the continuous slots to build virtually anything
163 products
Strut Channel Curtain Slides
Smoothly move lightweight curtains overhead along strut channel
2 products
Drawer Slides
Smoothly guide drawers in and out of cabinets
332 products
Overhead Door Rollers
Replace the rollers on garage doors and other overhead doors
11 products
Door Guides
Keep hanging doors aligned by stopping the bottom from swinging
1 product
Door Tracks
Hang panels to slide over openings when there’s not space for a swinging door
211 products
Fabricating and Machining
Gibs
Guide linear movement in molds and dies
62 products
Material Handling
Chutes
Connect to conveyors and other machinery to move items using gravity
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)