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Graco 101750 Bearing Ball

Graco 101750 Bearing Ball is a precision stainless-steel ball used in T1 Series Transfer Pumps to ensure smooth flow, tight sealing, and reliable pump performance.

  • OEM Part Number: 101750
  • Material: Stainless Steel (304 SS)
  • Fits: Graco T1 2:1 Transfer Pump (Model 256200 and other T1 Series)
  • Purpose: Provides sealing and bearing function in the pump valve assembly

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Product Overview – Graco 101750 Bearing Ball

Compatible Machines

  • Graco T1 2:1 Ratio Transfer Pump (Model 256200)
  • Graco T1 Series Transfer Pumps (all versions that list part 101750 in their parts diagram)

Key Specifications

Part Number 101750
Part Name Ball, Bearing
Material Stainless Steel (304 SS) – corrosion resistant
Function Acts as a precision bearing/check ball within the pump/valve assembly to ensure smooth operation and reliable sealing.
Fitment Type OEM-style drop-in replacement (no modifications required when specified in your model’s parts list)

Description

The Graco 101750 Bearing Ball is a precision stainless-steel sphere used in the fluid/check-valve sections of select Graco T1 Transfer Pumps. By providing a hard, perfectly round sealing surface, it helps maintain consistent flow and pressure while reducing wear on mating seats.

  • Restores sealing performance when the original ball is worn or pitted.
  • Improves reliability in demanding transfer applications.
  • Fast replacement: swap during routine pump service or rebuilds.

When Should You Replace It?

  • Erratic flow or pressure pulsation in a T1 Transfer Pump.
  • Visible wear, chips, or corrosion on the existing ball.
  • As part of a scheduled pump rebuild/service after heavy use or abrasive materials.

Installation & Care Tips

  • Always relieve pressure and follow Graco safety procedures before service.
  • Clean the ball seat and surrounding components before installing the new ball.
  • Verify free movement and proper seating after reassembly; test at low pressure first.

Frequently Asked Questions

Check your model’s parts diagram. If it lists 101750 – Ball, Bearing, this is the correct replacement. It is commonly used in Graco T1 2:1 Transfer Pumps and other T1 Series variants that call out this part number.

For best results, use an OEM-spec ball. The surface finish, hardness, and tolerance affect sealing and longevity; generic parts may lead to premature wear or poor sealing performance.

Replace it during rebuilds or whenever you observe pitting, corrosion, or erratic pump performance. In abrasive or high-cycle environments, proactive replacement helps maintain consistent output and reduces downtime.

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