NNU 4980 BK/SPW33 Double Row Cylindrical Roller Bearing
Introduction:
Super-precision double row cylindrical roller bearings in the NNU series are designed to accommodate heavy radial loads and high speeds, while providing a high degree of stiffness. Having three flanges on the outer ring and no flanges on the inner ring, the bearings can accommodate axial displacement in both directions. The separable design simplifies mounting and dismounting, particularly when load conditions require both rings to have an interference fit.
Drawing:
Product Specification:
Bearing No.: | NNU 4980 BK/SPW33 |
Main dimensions | 400x540x140mm |
Inside diameter(ID d) | 400 mm |
Outside diameter(OD D) | 540 mm |
Thickness/width(T/B/H) | 140 mm |
Basic load Ratings Dynamic (kN) | 1470 |
Basic load Ratings Static (kN) | 3800 |
Fatigue Load Limited (kN) | 335 |
Limiting speed for grease (r/min) | 1300 |
Reference speed for oil (r/min) | 1500 |
Mass(kg) | 87.5 |
HS code | 8482500090 |
Lead time | 2-3 days |
Seals Type | Open |
Number of Rows | double |
Cage material | steel |
Bearing Material | GCr15 bearing steel |
Description | Double Row Super Precision Cylindrical Roller Bearings |
Bearing Application
NNU 4980 BK/SPW33 bearing can be used in proofer, submersible pump, blower, medical equipment, extruder, deceleration device, washing machine, punch.
（proofer） （submersible pump）
（blower） （extruder）
Stock
Every day, many trucks leave the bearing warehouse and are sent to all over the world. Our company delivers timely and fast, and never delays the time for customers to wait, so if you are interested in cooperating with us, we will never let you down.
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