Boston Gear®
3H 1/2

Boston Gear® offers a comprehensive selection of pillow blocks that include spherical bearings with extended inner races with setscrews or eccentric locking collars in stamped steel, ductile iron, cast iron or stainless housings. Ranging from light duty, plain bearing blocks to precision units, they all feature Boston Gear® tradition of design excellence and precision manufacturing.

Boston Gear® Pillow Block Ball Bearing Unit, High Backing Standard-Duty, Series: H Series, 1/2 in Bore, 3-5/16 to 4 in Bolt Center-to-Center Length, 1-3/16 in Base to Bore Centerline, 5-1/16 in Overall Length, 1-5/8 in Overall Width, 2-9/32 in Overall Height, Two-Bolt Base Mounting, Round Bore, 1-1/2 in Base Width, Eccentric Collar Locking Device, Synthetic Lip Seal, Non-Expansion (Fixed) Expansion, 340 lb Load, -30 to 300 deg F, 5000 rpm Maximum, Cast Iron, Uncoated

• Rigid one piece high housing
• Chrome alloy steel balls
• Precision machined housing bore and spherical outer race for full self-alignment
• 1/4-28 threaded grease fitting and channel through outer race allow relubrication

• Catalog https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Boston_Gear_1016AF12_Catalog.pdf
• Specification S... https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Boston_Gear_10F11516_Specification_Sheet.pdf