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Timken 4-bolt flange bearing with ball insert, 1-1/8 inch bore, metallic finish

Timken

Timken 4-Bolt Flange Bearing Ball 1-1/8" Bore

SKU CH-8E4R-EJYX0

Four-bolt flange bearing with a ball insert for 1-1/8 inch shafts

  • Timken brand trusted for reliable industrial performance
  • Four-bolt flange design provides secure mounting stability
  • Ball bearing insert ensures smooth rotational operation
  • 1-1/8 inch bore diameter fits compatible shafts

1-1/8" Bore Flange Bearing

This Timken four-bolt flange bearing uses a ball insert with a 1-1/8 inch bore to support rotating shafts in industrial equipment. The cast housing bolts to a flat mounting surface and keeps the bearing aligned under radial and moderate thrust loads. It is suited for maintenance teams replacing worn units on conveyors, fans or agricultural machinery. New condition means the races and seals are uncontaminated and ready for immediate installation.

Direct Replacement for Same-Spec Units

The bearing drops into existing four-bolt patterns with an identical 1-1/8 inch bore, so no shaft machining or frame modification is required. Upgrading makes sense when the current insert shows pitting, excess play or seal failure that causes lubricant loss. It does not suit applications needing a larger bore, a two-bolt pillow block or a tapered-roller insert for heavier combined loads. Buyers needing higher speed ratings or corrosion-resistant housings should verify those specifications separately.

Highlights

  • Timken brand trusted for reliable industrial performance
  • Four-bolt flange design provides secure mounting stability
  • Ball bearing insert ensures smooth rotational operation
  • 1-1/8 inch bore diameter fits compatible shafts

Specifications

BrandTimken

Questions about this item

What bolt spacing and diameter does the 4-bolt flange require for mounting?

The flange uses four bolt holes arranged in a square pattern; measure the centre-to-centre distance between adjacent holes and the hole diameter to match your mounting surface.

What is the correct procedure to secure the bearing onto a 1-1/8 inch shaft?

Slide the bearing onto the shaft, align the flange bolt holes, insert and hand-tighten all four mounting bolts, then torque them evenly in a cross pattern before tightening the inner-ring set screws to lock the shaft.

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