Boston Gear®
MB 3

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, Medium Duty, Series: MB Series, 3 in Bore, 7-15/16 to 10-1/16 in Bolt Center-to-Center Length, 3-1/2 in Base to Bore Centerline, 11-7/8 in Overall Length, 3-11/16 in Overall Width, 7-1/8 in Overall Height, Two-Bolt Base Mounting, Round Bore, 3-1/2 in Base Width, Set Screw Locking Device, Synthetic Lip Seal, Non-Expansion (Fixed) Expansion, 3175 lb Load, -30 to 300 deg F, 2500 rpm Maximum, Cast Iron, Uncoated

• One piece high grade cast iron housing
• Deep groove ball bearings for high radial and thrust loads
• Precision machined housing bore and spherical outer race for full self-alignment
• Synthetic lip type seal with steel flinger
• Positive locking by setscrews through extended inner race
• 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