NNU4972M P63 ZB W33 RKB

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NNU4972M P63 ZB W33 RKB

Double-row precision cylindrical roller bearing

Stock
not in stock
Brand RKB
Article number NNU4972M P63 ZB W33 RKB
Inside diameter 360mm
Outside diameter 480mm
Width 118mm
Product description

The NNU4972M P63 ZB W33 RKB 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 NNU4972M P63 ZB W33 RKB 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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Product specifications

All dimensions

  1. Inner (d) MM 360
  2. Outer (D) MM 480
  3. Width (B) MM 118
  4. Inner (d) Inch 14.1732
  5. Outer (D) Inch 18.8976
  6. Width (B) Inch 4.6457

Suffix description

  1. M Machined Brass Cage, Located On The Rolling Elements
  2. P63 Combination Of P6 (Dimensional And Running Accuracy To ISO Tolerance Class 6 (Better Than Normal).) And C3 (Internal Clearance Larger Than Normal.)
  3. ZB Optimized Roller Profile
  4. W33 Lubrication Groove And Three Holes In Bearing Outer Ring

Technical details

  1. Availability 0 pcs
  2. Brand RKB
  3. Item number NNU4972M P63 ZB W33 RKB
  4. Category Cylindrical Roller Bearing Double Row

Weight and Dimensions

  1. Weight (kg) 61

Product Properties

  1. Bore C - Cylindrical Bore
  2. Seal No Seal
  3. Cage Type M - Brass Cage
  4. External Modification W33
  5. Radial Internal Play C3 Internal Play (Higher than Cn)
  6. Precision P6 Precision (Higher than Standard)
  7. Heat Stabilization No Heat Stabilization - Temperatures up to 120 °C
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NNU4972M P63 ZB W33 RKB

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NNU4972M P63 ZB W33 RKB

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