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QJ2940X2 four point contact ball bearing for rolling mills

Bearing Boundary  Dimensions(mm) Load Rating(kN) Limiting speed(r/min) Mass Old
New d D B Dyn.C Stat.Co Grease Oil kg Bearing
QJ2940X2 200 280 51 216 340 1100 1400 10.2 176940


FOUR-POINT ANGULAR CONTACT BALL BEARINGS
 
KORTON four-point angular contact ball bearings are single row bearings where the raceway is designed to accommodate significant axial loads in both directions.
Generally they have contact angle of either 35° or 45°.
They need less axial space than double row or paired angular contact ball bearings. 
The four-point contact ball bearings have a split two-part inner (bearing designation QJ) or outer (bearing designation Q) ring, allowing a large number of balls to be incorporated, thus providing a high load carrying capacity. The bearings are of separable design of the parts.