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Timken pillow block bearing, cast iron housing, 1 3/8 inch bore, double sealed

Timken

Timken Pillow Block Bearing Ball 1 3/8 in Bore

SKU CH-5R1X-BMXEN

A cast-iron pillow block bearing with a 1 3/8 in cylindrical bore, double-sealed radial ball insert, and two-bolt through mounting operating from -65 to 200 °F

  • SAS branding ensures trusted Timken quality
  • Double-sealed closure keeps contaminants out for longer bearing life
  • Wide -65 °F to 200 °F temperature range suits extreme environments
  • Cast-iron housing provides rigid support under heavy radial loads
  • Two-bolt mount with 5 1/8 in spacing allows quick, secure installation

Timken Pillow Block Bearing

The Timken pillow block bearing uses a 1 3/8 inch cylindrical bore and a radial ball insert made from alloy steel. It suits machinery shafts that match this bore size and need a self-contained, bolt-through mounting arrangement. Buyers whose shafts require a different bore diameter or a tapered adapter sleeve cannot use this unit.

SAS Interface and Temperature Limits

The bearing operates between -65 degrees F and 200 degrees F with an NGLI #2 equivalent lubricant already in place. Double seals retain grease and block contaminants during continuous rotation. Applications that exceed this temperature range or demand a different lubrication specification will need a separate solution.

Cast Iron Housing and Bolt-Through Mounting

A cast iron housing provides rigidity and carries two bolt-through holes spaced 5 1/8 inches centre-to-centre. Overall height measures 3.671 inches and overall length 6.562 inches, so the mounting surface must accommodate these footprints. Builds that cannot accept a cast iron base or the fixed hole pattern should select an alternative housing style.

Highlights

  • SAS branding ensures trusted Timken quality
  • Double-sealed closure keeps contaminants out for longer bearing life
  • Wide -65 °F to 200 °F temperature range suits extreme environments
  • Cast-iron housing provides rigid support under heavy radial loads
  • Two-bolt mount with 5 1/8 in spacing allows quick, secure installation

Specifications

BrandTIMKEN

Questions about this item

Should I choose the 1 3/8 in bore version or a different bore size?

Choose the 1 3/8 in bore when your shaft measures exactly 1 3/8 inches; the cylindrical bore and double-sealed alloy steel insert are built for that diameter.

What does the 200 °F maximum temperature mean once the bearing is installed?

The NGLI #2 equivalent grease and double seals stay effective up to 200 °F, so the insert will not lose lubrication or seal integrity below that limit.

How does the SAS designation affect mounting and alignment?

SAS identifies the Timken Belts product line; the housing still uses a two-hole bolt-through pattern on 5 1/8 in centers with a base height of .72 in.

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