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.


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