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Durable 4-bolt flange-mounted ball bearing unit designed for reliable shaft support and smooth rotation in industrial machinery. The unit combines a cast-iron housing with a self-aligning insert bearing, providing stability and ease of installation in mechanical power transmission systems. Technical Specifications Manufacturer: Boston Gear Model: 64315 Type: 4-bolt flange-mounted ball bearing unit Bearing insert type: Self-aligning ball bearing Housing material: Cast iron Bearing material: Chrome steel (SAE 52100) Bore diameter: 1 in (25.4 mm) Bolt hole center-to-center: 3.88 in (98.6 mm) Overall housing size: 4.75 in (120.7 mm) square Shaft locking method: Setscrew collar Lubrication: Grease fitting (re-lubricable design) Bearing seal type: Double-lip contact seal Static load capacity: Approx. 2,400 lbf Dynamic load capacity: Approx. 4,500 lbf Operating temperature range: −20 °C to +100 °C Mounting configuration: 4-bolt flange mount Applications: Conveyor systems, gearboxes, agricultural equipment, industrial drives Compliance: Meets ASTM and ABMA bearing standards Country of manufacture: USA Please review pictures carefully and let us know if you have any questions!
Condition: New – Open box
Weight: 1.90
Depth: 6.00
Length: 4.00
Width: 4.00
SKU: 12846 4.S7.7.4
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