Nachi Fujikoshi - self-aligning roller bearings

Create Date: 2024-8-30 12:03:23|Source: NACHI / Nachi Fujikoshi

Generally, rolling bearings can be divided into ball bearings or roller bearings according to the type of rolling elements, and when classified by balls and rollers, they can be further divided into cylindrical roller bearings, tapered roller bearings, spherical roller bearings and needle roller bearings.

Nachi Fujikoshi - self-aligning roller bearings

characteristic

High resistance to axial loads

The internal structure design is optimized to improve the axial load resistance.

Low temperature rise and increased limit speed

By keeping the roller attitude stable during rotation, the heat generation of the bearing is reduced, and the ultimate speed is increased.

Long life

By optimizing the internal structure and using high-cleanliness steel, it has achieved a long service life.

It can be used at 200°C

Thermal stabilization is used as standard. Can be used up to 200°C.

High impact resistance (EXQ - V size)

The EXQ-V series is available to improve the impact resistance of the retainer by applying a special surface treatment to the stamping retainer, and the EXQ-V dimensional accuracy and radial clearance are all special specifications for vibrating machinery.

Design & Construction

Spherical roller bearings are recommended for applications where tilting is caused by improper mounting or shaft deformation.

Depending on the conditions of use and the size of the bearing, NACHI manufactures spherical roller bearings in a variety of designs and materials (e.g. structural design of ring flanges and cages)

Spherical roller bearings can withstand both radial and axial loads.

Note

For those subjected to large axial loads, the axial load Fa / Fr must not be greater than the radial load of e. In the case of axial loads Fa / Fr > e, please contact a NACHI engineer for design assistance.

If the bearing is used for variable loads (e.g., vibrating screens) or at high speeds, please contact a NACHI engineer for design assistance.

At very low or no loads, slippage can occur and damage the bearings. In order to avoid this phenomenon, the minimum load of the bearing must be greater than 0.02Cr basic rated dynamic load)

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