preload preload preload preload

There is not any explanation in Chinese Such a bearing don’t be bought


31st October 2009 Bearing Technology 0 Comments
Without any explanation in Chinese, such a bearing don't be bought. All mark the foreign language letter on bearing and gift box, it is a foreign bearing imported to pretend to be, reality but whether the intersection of China and whom little factory produce have the intersection of product quality and inferior bearing of inspection certificate. Yesterday, unworthily move way over thousands of of the market imitate the bearing and was checked and detained by administration for industry and commerce on work of engraving. Yesterday, two seven Industrial ...
Read More »

Types and types of the rolling bearing


31st October 2009 Bearing Technology 0 Comments
Machinery has all kinds of operating modes, in order to meet these concrete instructions for use, need different kinds of bearings to guarantee the actual need. According to rolling the body shape, the rolling bearing can roughly be divided into a ball bearing and rolled a sub bearing; Bear main direction of load according to it, can be divided into heart bearing and thrust bearing. 1,Choice of the rolling bearing type The rolling bearing type is varied, can consider the following respect factors to select taking, thus choose. a. Loaded size, direction and property: The ball bearing is ...
Read More »

Bearing NA4856 and concrete parameter of the bearing 22212c/W33


31st October 2009 Bearing Technology 0 Comments
NA 4856 needle bearing, brings to Fran, there are inner circles Key data size d 280mm D 350mm B 69mm Specified value of basic load Dynamic C 429kN static C0 1320kN Tired load limit value Pu 127kN Specified speed Consult the speed 1300r/min and limit the speed 1400r/min Weight 15.5kg The sub bearing brass entity keeps the shelf, an oil groove and three pieces of oil hole that 22212CA/W33 adjusts the heart and rolls Key data size d 60mm D 110mm B 28mm Net weight 1.19kg ...
Read More »

Danger that the fake and poor bearing causes


31st October 2009 Bearing Technology 0 Comments
Imperfect because of the legal system of present socialist market economy, and a lot of consumers do not know how to distinguish the quality of the bearing, or receive the seduction of the low price, make small producer bearing and fake and forged bearing flood the market. The statistics show, over 60% of occupation rate of small producer bearing and fake and poor bearing on present market, the occupation rate of some areas even exceeds 80%. But the fake and poor bearing has very great danger because of its congenital quality defect and lower precision, thus bring enormous loss to user. ...
Read More »

Stainless steel bearing product performances and main uses


31st October 2009 Bearing Technology 0 Comments
The production of the can organize the batch stainless steel bearing ing, has realized high strength, high precision. Can be used in while exchanging various products of corrosion, strong corrosion, it is extensive to use. Product performance: Bearing sets of circle and last material to last AISI SUS440C stainless steel Chinese serial number: 9Cr18Mo, 9Cr18 Quenched the flash back to deal with by the vacuum, keep the shelf and seals and enclose the skeleton material to adopt AISI304 stainless steel Chinese serial number: 1Cr18 The stainless steel bearing compares with ordinary bearing ...
Read More »

The using rationally of hydraulic oil


31st October 2009 Bearing Technology 0 Comments
1,Factor influencing quality of the hydraulic oil 1 Water. The water content of moisture should not be greater than the trace through testing its quality index according to the technical standard of national standard GB/T1118.1-94 in the oil. If the moisture exceeds standard, must change in the oil; Otherwise, not only will damage the bearing, but also will make a surface of steel get rusty and and then make the hydraulic oil emulsify, go bad and produce the precipitate, hinder the heat conduction of the cooler, influence the valve to work, have effective work areas after reducing the ...
Read More »

Raise road roller, shake the intersection of bearing and improvement of life-span ‘ Leave)


31st October 2009 Bearing Technology 0 Comments
The inner circle of bearing cooperates with journal, the bearing outer lane cooperates with bearing seat hole and chooses improperly To bearing the vibration bearing with loaded radial, only the semi circle rolls the body and receives strength, toward strength Fr, roll line and roll body receive force to be most loud, it is 5Fr/Z, among them Z is the roller quantity in foot-path. To produce the vibrant road roller to rotate to the off-centre piece, if axle and bearing adopt the regular one " Tight inside but loose outside " Cooperate, will only produce the semi circle will roll one will be ...
Read More »

Brief introduction: The angle contacts the electric main shaft of the ball bearing


31st October 2009 Bearing Technology 0 Comments
1. The ball bearing? The structure of the electric main shaft generally adopts the angle to contact the ball bearing to support, the disposition form of the bearing depends on loaded size, direction, the rotational speed of the main shaft and job requirements for the main shaft. The electric main shaft that the angle is exposed to the ball bearing generally adopts the support way pursuing to be shown. The angle is exposed to the ball bearing and could work under adding the loaded condition in advance axially normally. Adding the load in advance not only can dispel the axial backlash of the ...
Read More »

Bearing classroom: Distinguish it to heart bearing and thrust bearing skill


31st October 2009 Bearing Technology 0 Comments
What the bearing is used is in a very large range, even as big as the hoist, loader, these giants of the train, even as small as the bicycle, chair even clock and watch, can all apply to the bearing. Bearing just like mechanical joint, we can say all articles related to machinery there are dense integral relations with the bearing. 1. Classify according to the structural type of the rolling bearing: The bearing, according to the loaded direction can be borned by it or difference of the nominal contact angle, divided into: 1 To the heart bearing ----Mainly for bearing the rolling bearing ...
Read More »

Test SKF bearing lubricating grease deterioration method


31st October 2009 Bearing Technology 0 Comments
In the course of using SKF bearing, lubricating grease is very key. If, have used rotten lubricating grease, not merely ineffectual, and will damage the bearing. The oil flows and observes the law Fetch two graduated cups, one of them holds the lubricating oil remained to check, it is put on the tabletop that another one is empty, lift high to leave 30-40 of tabletop and slope and let the lubricating oil run to the empty cup slowly filling graduated cupping of lubricating oil with, observe its situation of flowing, the lubricating oil oil of high quality should be slender while flowing, ...
Read More »