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Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
Tel: 021-51099639
Fax: 021-51861291
Hotline: 1823724 hours
Postcode: 410205
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Email: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China

Shaanxi Yuwei Bearing Manufacturing Co., Ltd
Tel: 029-86696506
Fax: 029-89503160
Enterprise QQ:  Click here to send me a message Pre sale  Click here to send me a message After sale
Email: sales@gifudayo.com
Website: www.ywbearings.com
Address: Qinhan new town free trade zone, Xixian new area, Shaanxi Province

Precision bearing of instrument


Low friction torque precision micro bearing is used in aerospace, precision instruments and other high-tech fields, which requires long service life and high reliability. Due to the particularity of the used parts, the lubrication of the bearing generally adopts solid lubrication or thin oil lubrication.

Instrument bearings are mainly used for sensor bearings, outdoor weather instruments, horizontal instruments, marking instruments and infrared instruments.

1) In general, ABEC5 and above precision instrument bearings are used.

2) The friction torque of the bearing is required to be small; it is called micro non friction bearing.

3) Because the load is very small, the fatigue and life of instrument bearings need not be considered, but there are certain requirements for noise; the instrument industry generally requires high sensitivity micro bearings.

4) When selecting bearing fit, it is not necessary to consider the influence of load on life, but mainly consider the influence of shaft thermal expansion and shaft assembly. Therefore, the fit with smaller interference should be selected.

5) The working clearance of the bearing is small or zero, but the negative clearance should be avoided to increase the friction and temperature rise.

Yuwei Bearing company's bearings are widely used in all kinds of instruments and meters. At present, we have cooperation with many precision instrument manufacturers at home and abroad.

Among them, 6700zz (10x15x4) and 685zz (5x11x5) are used in geodetic instruments.

Apply the leveling instrument (2x3, 2x3, 2x3) to leveling instrument.

The (624x15) wind sensor is used.

682 (2x5x1.5) is applied to grating line displacement sensor.

 Shanghai miniature bearing
Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
Tel: 021-51099639
Fax: 021-51861291
Email address: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China
Shaanxi Yuwei Bearing Manufacturing Co., Ltd
Tel: 029-86696506
Fax: 029-89503160
Email address: sales@gifudayo.com
Address: Qinhan new town free trade zone, Xixian new area, Shaanxi Province
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