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Cylindrical bronze sleeve bearing with smooth bronze finish

Bunting Bearings

Bunting Bearings CB222616 bronze sleeve bearing 1 3/8 in bore

SKU CH-TBR8-MW55Y

Bronze sleeve bearing with 1 3/8 in bore and 2 in length operates from -450 to 500 Degrees F

  • Bronze construction resists wear in high-load applications
  • Cast C93200 alloy handles temperatures from -450 °F to 500 °F
  • 1 3/8 in bore fits standard inch-dimension shafts
  • 2 in overall length provides extended bearing surface
  • Tight ±.005 in length tolerance ensures precise alignment

Bronze sleeve bearing for 1 3/8 in shafts

This Bunting Bearings CB222616 sleeve bearing fits a 1 3/8 in bore and runs on cast bronze graded C93200 (SAE 660). The non-flanged body measures 1 5/8 in outside diameter and 2 in overall length with a length tolerance of +/- .005 in. It suits machinery that needs a plain metallic bearing in inch dimensions.

Temperature window and material limits

Continuous operation is rated from -450 Degrees F to 500 Degrees F, so the bearing handles both cryogenic and high-heat environments. Bronze construction resists corrosion but requires compatible lubrication; the material group is metallic and the surface colour is bronze. California Proposition 65 notices apply because the alloy contains listed chemicals.

Press-fit installation and common issues

The bearing installs by press fit into a correctly sized housing; no flange means alignment depends entirely on bore concentricity. Undersized or oversized housings cause spin or premature wear, and contamination during assembly accelerates scoring. Verify housing diameter and lubrication schedule before assembly to avoid early failure.

Highlights

  • Bronze construction resists wear in high-load applications
  • Cast C93200 alloy handles temperatures from -450 °F to 500 °F
  • 1 3/8 in bore fits standard inch-dimension shafts
  • 2 in overall length provides extended bearing surface
  • Tight ±.005 in length tolerance ensures precise alignment

Specifications

No published specifications for this item yet.

Questions about this item

How do I know this 1 3/8 in bore sleeve bearing is the right size for my shaft?

Match the shaft diameter to the 1 3/8 in bore and the housing bore to the 1 5/8 in outside diameter; the 2 in overall length with ±0.005 in tolerance sets the axial space required.

What does the 500 °F maximum temperature mean for continuous operation?

The C93200 cast bronze alloy retains its structural integrity and lubrication film up to 500 °F, so the bearing can run continuously at that temperature without material degradation.

How does the SAE 660 grade affect load and speed limits in practice?

SAE 660 (C93200) is a standard bearing bronze that supports moderate loads and speeds with adequate lubrication; its composition balances wear resistance and embeddability for general machinery use.

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