Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
C1 Internal Play (Less than C2)
Precision
P5 Precision (Higher than P6)
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
MBTwo-Piece Solid Brass Cage, Guided On Central Rib
KRTapered Bore
CC1For Non-Interchangeable Cylindrical Roller Bearings, Clearance Less Than CC2
P5Dimensional And Running Accuracy To ISO Tolerance Class 5
U26Special Quality Control Specification
Product description
The NN3020MB KR CC1 P5 U26 NSK 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 NN3020MB KR CC1 P5 U26 NSK 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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