N-type bearing inner ring has two ribs

The inner five ribs, N type and NU type backing bearings are swimming bearings can not bear axial force. NJ bearing outer ring has two ribs, the inner ring has a wall that can withstand axial forces in one direction. NUP type bearings are used as fixed bearing outer ring has two ribs, the inner wall has a fixed and a movable ring, can withstand axial forces in both directions. An NJ type bearings and a thrust collar HJ NUP type can form a similar fixed bearings. E suffix Roller bearing have enhanced its optimized internal design to increase the carrying capacity of the bearing pairs inXLB single row cylindrical roller bearings, as amended, and the inner ring road roller can reduce the stress concentration, allowing a certain pair angular deflection. Under normal conditions of use, and its off-center angle should be no more than 4 ', is likely to have a greater angle to adapt to the occasion, XLB also produces larger inner ring raceway convexity (suffix B), cylindrical roller bearings.
pairs of row cylindrical roller bearingsBelongs swimming bearings, theseparability make installation and removal is very convenient, two rings are can be a tight fit, so it's an inner ring with three basic types of wall, outer wall of the NN model, outer ring with three ribs, the inner circle has ribs NNU type.
Such bearing diameter processed into a cylindrical bore, tapered bore can also be processed into. Tapered bore bearing the suffix K logo taper 1:12, can bearing radial clearance required at installation time to adjust to the optimum value.
In addition, in order to lubricate simple, these bearings have an outer ring grooves and three; hole (suffix W33).
PairDouble row cylindrical roller bearings are not allowed on the bias.
ToleranceDouble row cylindrical roller bearings are used in machine tools, precision bearings, the general tolerance class SP level. XLB can provide other required accuracy level as P5 grade bearings.
ClearanceDouble row cylindrical roller bearings are generally used clearance C1, C1 group of clearance than normal clearance group is much smaller, so pay attention not interchangeable bearing forest, XLB can be required to provide additional clearance group of the double row cylindrical roller bearings . Clearance values ​​see cylindrical roller bearing radial clearance.