Pillow Flange 90° Mount, Self Aligning, Ball Bearing


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Part #: PF-312
Mounted Part #: SBS1-312
Bearing Type: Rolling Element
Self Aligning: Self-Aligning
Mounting: Flange-Mount
Nominal ID: .313"
ID Minimum: .3122"
ID Maximum: .3125"
Max Radial Load: 122 lbf
Max Speed: 40000 rpm
Weight: .46 oz
Allowable Motions: Oscillating
Available Options: Clear Zinc Plated (CZP)

Standard finish: black oxide

Body clearance diameter (A) : .65"
Base length (B) : 1"
Overall height (C) : 1.06"
Bolt hole center to center (D) : .63"
Flange thickness (E) : .06"
Base width (F) : .56"
Centerline to base (G) : .56"
Flange endge to bolt hole (H) : .19"
Mounting hole (I) : .21"

Spyraflo Ball Bearings are ideal for applications requiring a compact design with extremely low rolling resistance and the broadest speed range capabilities. Spyraflo ball bearings are available in a wide assortment of self-aligning configurations or as non-aligning pillow blocks.

Ball Bearing
Material Content / Structure Hardened SAE 52100 high chromium, high carbon, alloy steel
Shaft Assembly Requirements Inner race MUST be supported for interference or press fit
Operating Temperature -30° to 250° Fahrenheit
-34° to 121° Celsius
Options Stainless construction
High / low temperature variant
Friction Coefficient µ 0.004 to 0.008
Storage Clean, dry storage. Desiccants or rust inhibiting paper is recommended for long term storage.
Maintenance Maintenance free
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