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  • Boston Gear BostBronz TB1646 Plain Sleeve Bearing, Oil Impregnated Sintered Bronze, Inch, 1" Bore, 2.875" OD
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Boston Gear BostBronz TB1646 Plain Sleeve Bearing, Oil Impregnated Sintered Bronze, Inch, 1" Bore, 2.875" OD


Currently unavailable.
We don't know when or if this item will be back in stock.

Specifications for this item
Brand Name Boston Gear
Part Number TB1646
UPC 781711135334
Material Type Bronze
System of Measurement Inch
Size TB1646
Bore Diameter 1  inches
Inside Diameter 1.000  inches
Outside Diameter 2.875  inches
Thickness 0.125  inches
EAN 0781711135334
Number of Items 1
UNSPSC Code 31171509

This Boston Gear Bost-Bronz powdered bronze plain sleeve bearing supports r... Read full product description



Product Features

  • Plain sleeve bearing for supporting radial loads
  • SAE 841 sintered powdered bronze for strength, durability, and corrosion resistance
  • Vacuum-impregnated with SAE 30 oil to provide a lubricating film over the bearing surface
  • Maximum load value of 2,000 psi and maximum pressure velocity (PV) value of 50,000
  • Operating temperature range of 10 to 220 degrees F (-12 to 104 degrees C)

Product Details

  • Shipping Weight: 0.3 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B004NYAD1K
  • Amazon Best Sellers Rank: #984,595 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

This Boston Gear Bost-Bronz powdered bronze plain sleeve bearing supports radial loads. It is made of Society of Automotive Engineers (SAE) 841 sintered powdered bronze for strength, durability, and resistance to corrosion. The bearing is vacuum-impregnated with SAE 30 oil to provide a lubricating film over the bearing surface. It has a maximum load value of 2,000 psi (pounds per square inch), a maximum velocity value of 1,200 sfpm (surface feet per minute), and a maximum pressure velocity (PV) value of 50,000. The bearing operates at temperatures ranging from 10 to 220 degrees F (-12 to 104 degrees C). This flanged sleeve bearing meets ASTM International standard B438-73 for quality assurance, and is suitable for use in various applications such as automobiles, pumps, office machines, and home appliances, among others.

Plain bearings provide low-friction sliding contact for relative motion between parts of a machine. They are the simplest type of bearing, with no rolling elements, and there are three basic types of plain bearings: radial plain bearings (also called sleeve bearings or bushings) to support rotating or reciprocating shafts, thrust bearings (also called washers) to support axial loads on shafts, and linear bearings to support and guide the motion of parts in a straight line. Flanged sleeve bearings have a flange on one end to support axial loads. Spherical plain bearings are radial bearings that allow for angular misalignment of the shaft. Plain bearings are made from durable, low-friction materials such as sintered or cast bronze alloys, plastic, or a combination of a metal shell and a plastic bearing surface. They can be lubricated externally or by a lubricant embedded in the bearing material. Plain bearings are used in automobiles, construction and mining equipment, textile manufacturing equipment, and robotics, among others.

Boston Gear manufactures gear drives, variable speed drives, clutches, and components such as sprockets and bearings. The company, founded in 1877 and headquartered in Charlotte, NC, meets International Organization for Standardization (ISO) standard 9001 for quality assurance.


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