Cartridge Unit Bearings

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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.



The bearing is encased in rubber for reduced vibration and noise, and it has an extended inner ring on one side for extra shaft support. This bearing cartridge unit is suitable for applications including conveyors, ventilating equipment, and heating and air conditioning equipment, among others.Cartridges. 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. 




Bearing Number Bore Dia Outer DIa Width Size
QM INDUSTRIES QAMC15A212SEO Cartridge Unit Bearings 8.38 Hz 121.2 mm 2 mm 48 mm
QM INDUSTRIES QAMC15A211SN Cartridge Unit Bearings [Steel] Steel Grade 0 No No
QM INDUSTRIES QAMC15A211SM Cartridge Unit Bearings 25.4 mm 52.5 kN 138 mm 65.1 mm
QM INDUSTRIES QAMC13A060SC Cartridge Unit Bearings NTN 0.44 15.62 mm -40 °C
QM INDUSTRIES QAMC11A055SB Cartridge Unit Bearings No 345 No No
QM INDUSTRIES QVVMC13V055SEM Cartridge Unit Bearings 52.5 kN 32.8 kN 118 mm 4.59 kg
QM INDUSTRIES QVVMC11V200SEM Cartridge Unit Bearings Non-Contact Sealed Standard Radial 52100 Bearing Steel
QM INDUSTRIES QVVMC17V070SEO Cartridge Unit Bearings 0.135 1.61 56.70 lb 2.77
QM INDUSTRIES QVVMC13V204SEO Cartridge Unit Bearings No Oil Supply Type Take-Up Type Standard
QM INDUSTRIES QVVMC26V408SEN Cartridge Unit Bearings Flanged Pilot Type 12 Bearings with Housin Double
QM INDUSTRIES QVVMC15V065SEN Cartridge Unit Bearings 30 Radial / Thrust Steel 7*** series
QM INDUSTRIES QVVMC15V065SEC Cartridge Unit Bearings 130 mm 33.4 mm -40 °C 64 mm