Bumper Springs | McMaster-Carr

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System of Measurement

Length

ID

OD

0.075" to 3.75"

Material

Polyurethane Rubber

Stainless Steel

Spring Type

Hole Diameter

0.031" to 0.032"

0.039" to 0.040"

0.047" to 0.048"

0.051" to 0.053"

0.061" to 0.065"

0.062" to 0.065"

0.077" to 0.081"

0.078" to 0.081"

0.093" to 0.097"

0.094" to 0.097"

0.108" to 0.112"

0.109" to 0.112"

0.124" to 0.129"

0.125" to 0.129"

0.14" to 0.144"

End Type

Closed and Ground

Open and Ground

Compressed Length @ Maximum Load

Wire Diameter

Shaft Diameter

Spring Rate

Screw Size

Finish

Aluminum Coated

Phosphate Coated

Zinc Flake Coated

Washer Type

Thickness

Shaft Type

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Height

Specifications Met

ANSI/BHMA A156.16

Color

Wire Thickness

How can we improve?

8,591 Products

Power Transmission

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Shock Absorbers

Shock Absorbers

Slow and stop loads to reduce impact that can damage equipment like conveyors, lifters, and presses

Air Springs

Absorb vibration in moving equipment such as conveyors and transfer stations; lift and level loads

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Fastening and Joining

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Lock Washers

Resist vibration to prevent fasteners from loosening

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Material Handling

Dock Door Shelters

Dock Door Shelters

Wrap around trailers where they meet dock doors to shield out the elements better than seals

Robot Safety Padding

Robot Safety Padding

Trigger an emergency stop when robot arms contact a worker or object

Conveyor Brackets

Conveyor Brackets

Mount guide clamps, sensors, drip pans, and other attachments to conveyor frames

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Door Chains

Keep free-swinging doors from opening too far and prevent damage to hinges, doors, and walls

Door Holders

Mount to doors, walls, or floors to keep doors open

Door Springs

Extend and snap back to pull storm doors and gates closed

Overhead Door Spring Winding Rods

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

Measuring and Inspecting

Force Gauges

Test objects to see how much tension and compression force they can bear

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