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Thomson SUPER4 linear ball bushing, quarter-inch bore, half-inch OD, Delrin and steel, self-aligning closed type

Thomson Industries Inc.

Thomson Industries Inc. SUPER4 Super Ball Bushing .250 In

SKU CH-FPB2-52063

Linear ball bushing with 1/4 in bore, self-aligning design and 60 lbf dynamic load capacity

  • Self-aligning design compensates for shaft misalignment
  • 60 lbf dynamic load capacity handles moderate radial forces
  • Delrin and steel construction resists wear across 0 to 185 °F range
  • Operates at steady speeds up to 10 fps with 450 fps acceleration tolerance
  • .250 in bore with ±.001 in tolerance fits precision shafts

Thomson SUPER4 Linear Ball Bushing

The Thomson SUPER4 linear ball bushing is a self-aligning inch-series bearing designed for light-load linear motion. It suits builders who need a compact closed-type bearing with built-in misalignment tolerance. It is not for applications that require higher dynamic load capacity or open-type pillow block mounting.

Critical Specification .250 Inch Bore

The single specification that decides fit is the .250 inch inside diameter with a +/- 0.001 inch tolerance. This bore mates directly to a quarter-inch shaft, so verify shaft size before ordering. The bearing delivers 60 lbf dynamic load capacity and operates from 0 to 185 degrees Fahrenheit.

Build Integration

The bearing measures 1/2 inch outside diameter and 3/4 inch overall length, fitting tight housings without separate alignment hardware. Its Delrin and steel construction supports steady speeds up to 10 fps and accelerated speeds to 450 fps. The closed design retains lubrication and excludes contaminants in typical linear motion assemblies.

Highlights

  • Self-aligning design compensates for shaft misalignment
  • 60 lbf dynamic load capacity handles moderate radial forces
  • Delrin and steel construction resists wear across 0 to 185 °F range
  • Operates at steady speeds up to 10 fps with 450 fps acceleration tolerance
  • .250 in bore with ±.001 in tolerance fits precision shafts

Specifications

No published specifications for this item yet.

Questions about this item

How does the 60 lbf dynamic load capacity affect real-world linear motion performance?

The bearing supports up to 60 lbf of dynamic load during operation, suitable for light-duty linear motion systems where smooth, self-aligning travel is required.

What does the 10 fps steady state speed limit mean for continuous operation?

The 10 fps steady state speed rating defines the maximum recommended continuous linear velocity to maintain bearing life and performance without excessive wear.

What shaft size and housing bore are needed to install this .250 in bore bushing?

This bushing fits a 1/4 in (0.250 in) diameter shaft with an inside diameter tolerance of +/- 0.001 in and requires a 1/2 in housing bore for proper press-fit installation.

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