Iron Rounds | McMaster-Carr

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Material

System of Measurement

Shaft Diameter

Mounted Bearing Type

Four-Bolt Flange Mount

Tapped Base Mount

Thread Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Shaft Mount Type

Diameter

Length

Shaft Type

Belt Trade Size

Shape

Number of Grooves

V-Belt Type

Wheel Diameter

Overall Length

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Overall Width

Width

Pitch Diameter

Bore Type

For Maximum Belt Width

Bearing Type

1,948 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

105 products

Power Transmission

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

7 products

V-Belt Drive Pulleys

Pair with a V-belt to transfer motion from a rotating shaft

426 products

Timing Belt Drive Pulleys

Pair with a timing belt to transfer motion from a rotating shaft

129 products

Flat Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on flat belts

10 products

Mounted Bearings

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

502 products

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

37 products

Sleeve Bearings

With no moving parts, the plainest type of bearing

93 products

Flanged Sleeve Bearings

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

16 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

14 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

92 products

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

13 products

Precision Lead Screw Nuts

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

44 products

Fastening and Joining

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

12 products

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

20 products

Magnets

Attract or repel metal objects to hang, secure, or position them

6 products

Material Handling

Wheels

Move objects with ease

124 products

Lift Tables

Lift material to a comfortable working height and adjust as needed

2 products

Drum Dollies

Instead of tilting heavy loads on drum trucks, roll drums upright to where you need them

2 products

Facility and Grounds Maintenance

Floor Drain Grates

Block solids from falling down drains while liquids flow freely

11 products

Floor Drains

Catch liquid from the floor and direct it down a drain pipe

6 products

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

6 products

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

4 products

Fabricating and Machining

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

Hole Punches

Punch holes in metal, plastic, and fabric

4 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

10 products

Hand Wheels

Rotate to adjust machinery, valves, drill presses, and other equipment

72 products

Chain Wheels

Add a pull chain to operate overhead doors, hatches, and valves

31 products

Safety Equipment

Safety Mirrors

See what's happening around corners, at intersections, down aisles, and over counters

2 products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

3 products