NJ304ET2X NJ305 NJ306 NJ307 ET2X NTN Cylindrical Roller Bearing
| Raceway Ring Shape | Cylindrical Roller | Load Direction | Radial |
|---|---|---|---|
| Inner Dia. d(Ø) | 20 | Outer Dia. D(Ø) | 52 |
| Width B(mm) | 15 | Inner/Outer Ring Material | Steel |
| Precision (JIS) | Grade 0 | Number of Raceway Ring Rows | Single Row |
| Specifications/Environment | Standard | Rolling Element Material | Steel |
| Basic Load Rating: Dynamic Load(N) | 31500 | Internal Clearance Symbol | CN (Normal Clearance) |
Cylindrical Roller Bearing NJ304ET2X 20x52x15 mm
Cylindrical rollers and raceways are linear contact bearings. Load capacity mainly bears the radial load. The friction between the rolling element and the retaining edge of the ring is small, which is suitable for high-speed rotation. According to whether the ring has ribs, it can be divided into single row cylindrical roller bearings such as NU, NJ, NUP, N, NF, and double row cylindrical roller bearings such as NNU and NN. The bearing has a separable structure with an inner ring and an outer ring.
Cylindrical roller bearings with no ribs on the inner or outer ring, the inner ring, an outer ring can move relative to the axial direction, so it can be used as a free end bearing. Cylindrical roller bearings with double ribs on one side of the inner ring and outer ring and a single rib on the other side of the ring can bear a certain degree of axial load in one direction. Generally use steel stamping cage or copper alloy car solid cage. But there is also a part of the use of polyamide forming cage.
Cylindrical roller bearings with no ribs on the inner or outer ring, the inner ring, an outer ring can move relative to the axial direction, so it can be used as a free end bearing. Cylindrical roller bearings with double ribs on one side of the inner ring and outer ring and a single rib on the other side of the ring can bear a certain degree of axial load in one direction. Generally use steel stamping cage or copper alloy car solid cage. But there is also a part of the use of polyamide forming cage.
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