Cartridge Unit Bearings

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An automatic lubricator is designed to automatically supply a small quantity of clean grease or oil to a lubrication point on a regular basis, thus improving bearing performance. Key benefits of using an automatic lubricator are improved employee safety, increased machine reliability and optimized maintenance operations.


Our cartridges are available in metallic or rubber. The bearing inserts have grade 10 balls and super-finished ball paths to support proper lube film and reduce noise. Metallic Design Attributes. Mounts in straight bore housings. Comes complete with wide inner-ring bearing insert and three-piece “R” seal. An old-style cup-and-cone bottom bracket.The lockring wrench is about to loosen the lockring, the pin wrench is engaging two of the holes in the adjustable cup.(Some cartridge bearings do use these same tools.) Another article gives instructions on servicing cup-and-cone bottom brackets.: A cartridge bottom bracket. The splined tool is shown above the bottom bracket.


Bearing Number Bore Dia Outer DIa Width Size
SEALMASTER MSC-47 Cartridge Unit Bearings Two Rubber Seals 4.15 Standard Steel
SEALMASTER MSC-47C Cartridge Unit Bearings MS 30/1000 25 mm Tr 1000x8 M 16
SEALMASTER MSCD-35 Cartridge Unit Bearings H7 180 mm 45 N/mm² 0.08
SEALMASTER MSCD-31 Cartridge Unit Bearings 23.6 3800 150mm 85mm
SEALMASTER MSC-43 Cartridge Unit Bearings Plastic Open Type 71813acd/p4dga-skf 12.7
SEALMASTER MSC-39 Cartridge Unit Bearings 1.50 mm 8800 rpm 0.60 mm 190.0000 mm
SEALMASTER MSC-39C Cartridge Unit Bearings 0.35 KGS 80mm 29.5 Standard
SEALMASTER MSC-35TC Cartridge Unit Bearings 1000 kN M 24x150 310 mm 665 N·m
SEALMASTER MSC-35T CXU Cartridge Unit Bearings 23mm 7308bm-nsk 90mm In Stock
SEALMASTER MSC-35T Cartridge Unit Bearings 2900 22226kemw33c3-timken In Stock 757
SEALMASTER MSC-35 Cartridge Unit Bearings 11.5 mm Cast iron 0.335 kN 1500 r/min
SEALMASTER MSC-35C Cartridge Unit Bearings Medium Standard 196 5600