Bearing with the error range

Bearing with the shaft or bearing with the purpose of the inner and outer rings are firmly fixed to the shaft or bearing so that they do not occur harmful sliding. If the mating surface to produce sliding, it will have abnormal heat and wear, as well as wear and tear caused by the powder into the bearing caused by the early damage and vibration and other ills, resulting in the bearing can not give full play to its function. In addition, the bearing with the radial bearing clearance can affect the radial clearance not only relates to the bearing operating accuracy, while affecting its life.

Rolling bearings are standard components, so with the relevant parts with the hole and the outer diameter of the reference hole and the reference axis, respectively, in the cooperation do not have to mark. Decided to cooperate with the most important issue is the bearing, the outer ring to withstand the load status.

In general, large size, large load, large vibration, high speed or high working temperature should be tightened some of the coordination, and often disassembled or swimming loose ring with a loose fit.

1. Size of the provisions of the standard
In the comparative measurement of bearing size tolerance measurement pair, the provisions of the amount of blocks or standard parts as a comparative measurement of the size of the base, which must comply with the standard block size JB / T1078 "gauge" requirements, the standard parts must be consistent with the manufacturing department Provisions.

2. The provisions of measuring instruments
The gauges used for the measurement must be calibrated and have the accuracy and magnification appropriate for the bearing being measured.

3. Measurement area provisions
For the bearing inner diameter or outer diameter of the measurement, the provisions of the national regulations in the southern end of the ferrule each one of the largest chamfer coordinates within the region to measure, and more than the provisions of foreign countries in the two ends of the ferrule are double chamfer coordinates measuring.

Allowable measurement error
In principle, the measurement error can be tolerated below 10% of the tolerance.

5. Probe radius and gauge pressure
In order to reduce measurement errors, efforts must be made to reduce the pressure on the gauge - the measuring force - and the radius of curvature of the probe as much as possible.

Hunan Jintai Hardware and Machinery Co.,Ltd. is a professional manufacturer on various kind of bearings over 15 years China factory.
We are making all kinds of slide bearings including DU PTFE composit bushing, DX POM composite bushing,bimetal bushing,wrapped bronze bushing, cast sliding bushings and wear plate bearing pad, sintered bronze bushing and sintering parts, ball transfer bearings, etc.
The shapes of bearings can be in sleeve, flanged, spherical, plate, washer, pad, ring, square etc.
Base materials in carbon steel, harden steel, iron, stainless steel, bronze, brass, copper, bronze-steel alloy.Lubricant materials in PTFE, teflon, POM, nylon, plastic, oil, graphite, grease, MoS2, etc.
Export to America,Canada,Brazil,Peru,Argentina,Chile,Paraguay,Europe,Finland,France,Germany,Italy,Spain,Sweden,
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Congo,Zimbabwe,South Africa,etc.