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Help CenterNU240EM Single-Row Cylindrical Roller Bearing 200 x 360 x 58 mm 26.8 kg for Double Helix and Grind in Silk Machine
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Cylindrical roller bearings cylindrical roller bearing
Cylindrical roller and the raceway is in line contact bearings. Load capacity, mainly bear radial load. Rolling ring wall friction is small, suitable for high-speed rotation. According to ring without ribs, it can be divided into NU, NJ, NUP, N, NF and other single row cylindrical roller bearings, and NNU, NN and other double row cylindrical roller bearings. The bearing inner ring, outer ring separable structure.
No inner or outer wall of the cylindrical roller bearings, the inner and outer rings can be relative to the axial movement, so it can be used as a free end bearings. In an inner and outer side of a double-wall, the other side of the ring has a single wall of the cylindrical roller bearings, can withstand a certain degree of axial load direction. General use of steel stamping cage, or copper alloy solid cage. But there are also part of the use of polyamide forming cage.
Bearing Features
1. roller and the raceway is in line contact or repair offline contacts, radial load capacity, suitable to withstand heavy load and shock load.
2. The friction coefficient is small, suitable for high speed, speed limit near the deep groove ball bearings.
3. N type and NU type can move axially, able to adapt due to thermal expansion or installation error of shaft and housing caused by the relative change in position can be used for supporting the free end.
4. shaft or housing bore machining are higher, install the rear bearing outer ring axis relative deflection should be strictly controlled to avoid contact stress concentration.
5. The inner or outer ring separable, easy installation and removal.
product features
Cylindrical roller line contact with the raceway, large radial load capacity. Both to withstand heavy load and impact load, but also for high-speed rotation.
Cylindrical roller bearing raceways and rolling lanes geometry. After improved design, with high load carrying capacity, new structural design ribs and roller end, not only improves the axial bearing capacity, while improving the roller end contact area with the wall lubrication conditions, improved performance of the bearing.
Bearing purposes:
Medium-sized motors, locomotives, machine tool spindle, internal combustion engines, generators, gas turbines, gear boxes, rolling mill, vibrating screen and lifting transportation machinery.
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