Item NumberNNU4930ZB M P52 Deutsche Kugellager Fabrik
CategoryCylindrical Roller Bearing Double Row
Weight and Dimensions
Inner (d) MM
150
Outer (D) MM
210
Width (B) MM
60
Weight (kg)
6.12
Product Properties
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
C2 Internal Play (Less than Cn)
Precision
P5 Precision (Higher than P6)
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
ZBSpecial Detail Or Construction
MMachined Brass Cage, Located On The Rolling Elements
P52Combination of P5-(Dimensional And Running Accuracy To ISO Tolerance Class 5.) And C2-(Bearing Internal Clearance Smaller Than Normal)
Product description
The NNU4930ZB M P52 Deutsche Kugellager Fabrik is a double-row precision cylindrical roller bearing. This bearing has a particularly high radial load capacity and high running accuracy. The design consists of a solid inner and outer ring with a double row of cylindrical rollers with a cage. The rolling elements are guided between flanges. This construction enables compact bearing arrangements with high radial stiffness and very high precision and load capacity. The outer ring is separable from the inner ring, facilitating (dis)assembly. Precision cylindrical roller bearings are often used, for example, in the main spindles of machine tools.
The NNU4930ZB M P52 Deutsche Kugellager Fabrik is equipped with a cage that prevents the cylindrical rollers from coming into contact with each other. This design allows for controlled movement of the rolling elements. There is less friction than in full-complement cylindrical roller bearings. As a result, higher rotational speeds are possible, and less heat is generated.
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