Block Mounts | McMaster-Carr

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System of Measurement

Shaft Diameter

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

ID

Width

Bearing Type

Overall Length

Shaft Mount Type

Concentric Lock

Number of Circuits

Housing Material

Stainless Steel

Length

Material

840 Bearing Bronze

Stainless Steel

Overall Width

Mounting Location

OD

Bearing Material

Stainless Steel

Overall Height

Mounting Hole Center-to-Center

Center Height

For Wire Gauge

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Seal Type

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

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2,757 Products

Power Transmission

Bearing Housings

Bearing Housings

Mount your own bearings in place

Mounted Bearings

Mounted Bearings

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

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Turntable Bearings

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Shock Absorber Mounts

Shock Absorber Mounts

Attach threaded-body shock absorbers to equipment like conveyors, lifters, and presses

Fabricating and Machining

Fixturing Squares

Fixturing Squares

Build different fixtures on multiple sides of the same block

Step Blocks

Support setup clamps for quick height adjustments

Pin Removal Blocks

Pin Removal Blocks

Remove a range of pin sizes from workpieces by tapping them into holes with a punch and hammer

V-Blocks

Hold round workpieces

Fixture Keys

Locate fixtures and vises on your machine table

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

Sine Bars

Measure, mark, and inspect exact angles on dies and other precision parts

Rotary Tables

Rotate your work 360° for easy access to different angles

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

Milling Machine Collet Blocks

Milling Machine Collet Blocks

Hold workpieces to machine parallel or square edges and drill crossholes

Welding Positioners

Welding Positioners

Mount workpieces for circular welds

Heating Blocks for 3D Printer Extruder Heating Elements

Heating Blocks for 3D Printer Extruder Heating Elements

Disperse heat to melt filaments evenly as they pass through extruders

Spring Clamp Workholders

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembling

3D Printer Extruder Heating Elements

3D Printer Extruder Heating Elements

Replace your entire heating element, or switch it out to print at higher speeds or temperatures

Alignment Locks

Alignment Locks

Precisely align your mold halves

Measuring and Inspecting

Surface Plate Stands

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Fluid Handling

Valve Mounts

Match standard NFPA mounting patterns to connect valves with multiple ports

Electrical

Terminal Blocks

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Distribution Bars

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

Distribution Posts

Distribution Posts

Send power from one source to several devices in a circuit in less space than a distribution block

Material Handling

Cable Tie Mounts

Cable Tie Mounts

Attach to walls, machines, and other surfaces and add a cable tie to organize and secure bundles

Building and Machinery Hardware

Turntables

Rotate to reposition machinery and equipment

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

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