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Black cast-iron pillow block bearing with eccentric locking collar, double-sealed insert, 2 1/8 in bore

Timken

Timken RAK 2 1/8 Pillow Block Bearing Eccentric Collectible

SKU CH-Q6SF-R01NX

A collectible Timken pillow block bearing with 2 1/8 in bore, cast iron housing and eccentric locking

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorBlack
  • Double-sealed closure keeps contaminants out for longer life
  • Cast iron housing withstands heavy industrial loads
  • Eccentric locking collar simplifies shaft installation
  • Wide -65 °F to 200 °F operating range suits extreme environments
  • Radial ball insert handles high-speed rotation smoothly

Genuine Timken Pillow Block Bearing

This Timken RAK pillow block bearing is a new-old-stock industrial component preserved in unused condition. It features a cast iron housing with a 2 1/8 inch cylindrical bore and double-sealed radial ball insert made from alloy steel. Collectors of vintage power-transmission hardware or Timken brand memorabilia will recognise the distinctive black finish and bolt-through mounting pattern.

Suited to collectors of industrial hardware

Buyers looking for a functional bearing to install on live machinery should look elsewhere, as no relubrication schedule or current load ratings are provided for this preserved unit. The item is offered as a collectible piece of sports-adjacent memorabilia rather than a maintenance part with verified service limits.

2 1/8 inch cylindrical bore diameter

The bore size of 2 1/8 inches is the critical dimension that determines whether this pillow block matches a specific shaft or display requirement. All other measurements such as the 4.968 inch overall height and 8.75 inch overall length are secondary to this primary fit criterion.

Highlights

  • Double-sealed closure keeps contaminants out for longer life
  • Cast iron housing withstands heavy industrial loads
  • Eccentric locking collar simplifies shaft installation
  • Wide -65 °F to 200 °F operating range suits extreme environments
  • Radial ball insert handles high-speed rotation smoothly

Specifications

BrandTIMKEN
TypeBearings, V-belts & Power Transmission Equipment
ColorBlack

Questions about this item

How do I bolt the 2 1/8 in bore pillow block to a 6 59/64 in centre-to-centre pattern without cracking the cast iron housing?

Align the two bolt-through holes to the 6 59/64 in spacing, use grade 5 or better bolts with flat washers, and torque in a cross pattern to the housing manufacturer's spec so the cast iron seats evenly.

When and how should I re-lubricate the double-sealed radial ball insert that ships with NGLI #2 equivalent grease?

The double-sealed insert is factory-filled for life; if the application exceeds the -65 to 200 °F range or shows seal damage, replace the entire unit rather than attempting re-greasing.

At what point does the 200 °F maximum operating temperature become the limiting factor during continuous duty?

Sustained operation above 200 °F degrades the NGLI #2 equivalent lubricant and seal material, so monitor housing temperature and add cooling or reduce load before that threshold is reached.

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