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Spyraflo PB1-63800HZZ Miniature Ball Bearing Pillow Block, 2 Bolt Holes, 10 mm Bore Diameter, Precision, Aluminum

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Specifications for this item
Overall Height
28.6  millimeters
Overall Width
10.1  millimeters
Bore Diameter
10  millimeters
Part Number
Flange Center to Center Length
44.45  millimeters
Brand Name
Flange Hole Size
4.0  millimeters
Max Rotational Speed
37000  RPM
Flange Overall Height
6  millimeters
Number of Items
Flange Type
Material Type
10.1  millimeters
Static Load Capacity
255  pounds
Load Capacity
180  pounds
Flange Thickness
6  millimeters
Dynamic Load Capacity
180  pounds
Flange Overall Width
6  millimeters
Flange Overall Length
57.2  millimeters
Overall Length
57.2  millimeters
System of Measurement

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Key Features

  • Two-bolt housing with ball bearing insert for ready-to-mount installation
  • Sintered aluminum housing and ABEC 3 precision stainless steel ball bearing for use in medical, pharmaceutical, and scientific equipment
  • Narrow profile allows installation where guided shafts are close together
  • Permanently sealed and lubricated one-piece housing helps extend service life
  • Integral lip seals to retain lubricant and protect against contamination

Package Details

Shipping Weight: 0.3 pounds
Package Size: 2 x 1 x 1 inches

Product Description

This Spyraflo miniature ball bearing pillow block has an aluminum housing and a stainless steel ball bearing insert with a 10-millimeter bore diameter. It is suitable for use in medical, pharmaceutical, and scientific equipment. The one-piece sintered aluminum bearing housing has a flat square foot to help accurately align the housing and has two mounting bolt holes. The stainless steel insert contains Annular Bearing Engineering Committee (ABEC) 3 precision ball bearings for even radial load distribution and smooth operation. This bearing is corrosion resistant, has an operating temperature range of -22 to 248 degrees F, is permanently sealed and lubricated to help extend service life, and has integral lip seals to retain lubricant and protect against contamination. This miniature ball bearing pillow block is suitable for use with shaft sizes of 10 mm or less in medical, pharmaceutical, and scientific equipment.

Mounted bearings combine a bearing mounted inside a housing unit. The bearing housing replaces the need for a casting or weldment to position the bearing securely for reliable operation, and its design determines the type of insert bearing. Insert bearings use rolling elements (ball, cylindrical, spherical, barrel, needle, spindled, or tapered) to maintain the separation between moving parts to reduce rotational friction, and to support radial and axial loads. Available in a variety of materials and mounting configurations, mounted bearings can be one- or two-piece, they can have an extended inner ring and locking device, and they can have seals and end caps that retain lubrication and protect the working parts of the bearing from environmental debris. Mounted bearings support shafts in a variety of mounting configurations (flange block, hanger, pillow block, and take-up block), and are used in a range of applications from light duty shaft guidance on conveyors to road building equipment and crushers.

Spyraflo manufactures bearings and bearing accessories. The company, founded in 1961 and headquartered in Peachtree City, GA, meets International Organization for Standardization (ISO) standard 9001:2008.

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