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Hello, welcome to the website of Nanning Shuanghu High Temperature Bearing Co., Ltd.!

  • Company Name: Nanning Shuanghu High Temperature Bearing Co., Ltd.
  • Company address: No. 1406, 14th floor, building 1, Nanji Anji Wanda Plaza, 55 Gaoxin Avenue, Nanning
  • Postal code: 530005
  • 24-hour hotline: 186-5316-4392
  • Company phone: 0771-5555242
  • Fax: 4008892163-217438
  • Email: worldtalk@vip.163.com
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GUNA Series 800 Degree Low Speed Heavy Duty Needle Roller Bearing
product details

One. Product and Technology Introduction

This series of products is a low-speed heavy-duty open needle roller bearing with a temperature resistance of 800 degrees and full-loading rollers. The minimum inner warp is 5 mm, the maximum outer diameter is 3 meters, and the highest precision is P6.

It consists of an inner ring, an outer ring, and rolling elements. It does not require a cage. It uses a full-ball structure.

This type of high temperature bearing adopts the optimized design of high temperature resistance, so that the high temperature bearing at the rated temperature, the same working condition as normal temperature. In addition, the slight deformation of high-temperature bearings in high-temperature environments will cause bearing stress concentration or decrease in bearing capacity. In order to eliminate these deformation effects, we manufacture both ends of the rollers into hyperbolic repairs Edge structure, this structure can not only eliminate the angular error of the shaft, but also eliminate the stress concentration caused by thermal deformation and prevent early failure. After years of practice, this type of roller high temperature bearing has a longer service life Large carrying capacity and better running stability.

High temperature and low speed bearings can run normally without adding high temperature grease, but adding high temperature grease will increase the service life.

two. Features

1. It adopts full-roller structure and hyperbolic trimming structure design, with large load carrying capacity, which is 1.2 times that of ordinary bearings.

2. Lubricated with high temperature grease, no sticky matter.

3. High temperature grease Kang has high temperature evaporation ability and long life.

4. Can withstand large radial force and certain axial force.

5. High temperature resistance, anti-glue, can offset the stress caused by thermal deformation, and prevent the early failure of the bearing.

6. This series of bearings are suitable for high-temperature, low-speed, heavy-duty, dusty environments and difficult to maintain grease.

three. Technical Parameters

1. Model: GUNA0000

2. Dimensions and tolerances: Dimensions and tolerances are the same as national standards and are interchangeable

3. Durable temperature resistance: 800 degrees

4. Peak temperature resistance: 900 degrees

5. Maximum speed: 200 rpm, or the linear speed of the outer ring is less than 100 m / min

6. Dynamic load and static load: 1.2 times that of corresponding bearings

7. Lubrication form: high temperature grease lubrication or non-lubrication

8. Structural seal: single-row open-type maintenance-free full-roller

four. Precautions

1. The installation part is selected to be isolated from high heat and does not directly radiate the mechanical part.

2. Each bearing on the production line is evenly stressed.

3. High-temperature bearings are selected according to relevant national technical standards, or shaft f6 and seat M7 are recommended.

4. If you have any questions during use, please contact us.


Links: Nanning Boxin high temperature bearing Shuanghu high temperature bearing high temperature bearing Tesco
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