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QJ224 Four point Angular Contact Ball Bearing

Short Description:

Four point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions. For a given axial load, a limited radial load can also be supported.

The Four point contact ball bearings comprise solid outer rings, split inner rings and ball and cage assemblies with brass or polyamide cages. The two-piece inner rings enable a large complement of balls to be accommodated. The inner ring halves are matched to the particular bearing and must not be interchanged with those of other bearings of the same size. The outer ring with the ball and cage assembly can be mounted separately from the two inner ring halves.The contact angle is 35°


Product Detail

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Dimensions and Tolerances

Four point contact ball bearings with normal tolerance in accordance to DIN 620-2 (Tolerances for roller bearings) and ISO 492 (Radial bearings - Dimensional and geometrical tolerances).

Standards

The general dimensions of four point contact ball bearings are standardised by DIN 628-4 (Rolling bearings - Angular contact radial ball bearings - Four point contact bearing) for type QJ and based on the standard of TGL2982 for type Q. Dimensions and tolerances of the holding grooves are standardised by ISO 20515 (Radial bearings - holding grooves).

 

QJ224 detail Specifications

Metric series
Material:52100 Chrome Steel
Construction:Single Row
Seal Type :Open type
Limiting Speed:5000 rpm
Cage:Brass cage
Cage Material:Brass
Packing:Industrial packing or single box packing
Weight:6.95 kg

QJ224 Four point Angular Contact Ball Bearing

Main Dimensions
Bore diameter (d):120mm
Bore diameter Tolerance:-0.015mm to 0
Outer diameter (D): 215mm
Outer diameter Tolerance:-0.02mm to 0
Width (B): 40mm
Width Tolerance:-0.05mm to 0
Chamfer Dimension( r) min.:2.1mm

ABUTMENT DIMENSIONS
Abutment diameter shaft(da) min. :132mm
Abutment diameter housing(Da) Max. :203mm
Fillet radius(ras) Max.:2mm
Load center(a):96.5mm
Fatigue load limit(Cu):17.7KN
Dynamic load ratings(Cr): 286KN
Static load ratings(Cor): 340KN


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