Ball Bearing Cartridges

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In the  industry, cartridge bearings refer to a bearing assembly that can be entirely removed and replaced into the component such as a hub or bottom bracket. Traditionally, each bearing
assembly in a hub would consist of four separate components; a cup, a cone, a retainer and balls. Each of these components (with the balls being held by the retainer) would be assembled as individual parts and then adjusted with nuts and threaded axles on a hub or spindle assembly. Cartridge bearings replace this four component assembly with one complete unit that is sealed with rubber seals. A radial cartridge bearing consists of an inner and outer race, a retainer holding the balls and then two seals to keep the grease in and the elements out. There is no adjustment feature for these bearings as they are made with internal clearance or play. They are typically mounted by pressing them into a bore, such as both sides of a hub flange, and then a slip fit axle is run through with stops behind the inner race of each bearing. Nuts or top caps lock the bearings and axle into place. Again, there is some internal play when they are tightened down. When the bearings wear out or they get rough or contaminated, they can be removed entirely for servicing or replacement.

Link-Belt CU347 Ball Bearing Cartridges

1.875 in 0.25 in
Imperial 1823.3

Sealmaster SC-31T CXU Ball Bearing Cartridges

50 mm 2600 r/min
110 110 mm

Sealmaster SC-28 CTY Ball Bearing Cartridges

70 mm 0
102.553 126

AMI UCC208-24 Ball Bearing Cartridges

46 mm 46
38 mm 85

Link-Belt CU323 Ball Bearing Cartridges

32 45 mm
85 PFI

AMI KHRRCSM206-19 Ball Bearing Cartridges

15,35 mm 38x54x15.35
15,35 54 mm

AMI UCLC207-21 Ball Bearing Cartridges

Timken 2,7 mm
393 kN 117,5

AMI UCC209-27C4HR23 Ball Bearing Cartridges

187 mm 340 mm
4550 kN 133

AMI UCLC213-40 Ball Bearing Cartridges

15,875 18,2 kN
RHP 38,89375

AMI UCLC212-38 Ball Bearing Cartridges

NNC4872 V 440 mm
2550 kN 80 mm

AMI UCLC207-20 Ball Bearing Cartridges

013992026248 51931 lbf
3.0 in 1.5 - 6 UNC

AMI UCC211-35 Ball Bearing Cartridges

15,000 rpm 13.1
11 mm 0.6 mm