Bearings double row tapered roller 352130

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Product Description:

- Double row tapered roller bearings

Double row tapered roller bearings can only bear radial load at the same time it can be

subject to bi-directional load. It can be in bearing axial clearance range limit shaft or shell

two-way axial movement.




★Product features

The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the

raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing. The rollers are guided by a

flange on the inner ring. This stops the rollers from sliding out at high speed due to their momentum. The larger the half angles of these

cones the larger the axial force that the bearing can sustain.


★Product application

In many applications tapered roller bearings are used in back-to-back pairs so that axial

forces can be supported equally in either direction.

Pairs of tapered roller bearings are used in:

- car and vehicle wheel

- mining equipment

- moderate speed

- engine motors

- axle systems

- construction

- agriculture

- reducers

- gear box


★Horton tapered roller bearings Basic size

- Single row tapered roller bearings:

Inner ring size: 20mm ~ 1270mm Outer ring size: 40mm ~ 1460mm Width size: 15mm ~ 240mm

- Double row tapered roller bearings:

Inner ring size: 38mm ~ 1560mm Outer ring size: 70mm ~ 1800mm Width size: 50mm ~ 460mm

- Four row tapered roller bearings:

Inner ring size: 130mm ~ 1600mm Outer ring size: 200mm ~ 2000mm Width size: 510mm ~ 1150mm


★Tolerance:

Horton tapered roller bearing with common

tolerance, and also provides P6X, P6, P5, P4,


★Radial clearance

Horton single row tapered roller bearings only

in after installation have clearance, and in


★Cage

Tapered roller bearing general ues the steel plate stamping, basket shape cage, but when the size is bigger, we

also adopts entity cage.

1. Outside diameter D ≤ 650mm, use the steel plate stamping cage, cage postposition without code mark.

2. Outside diameter D > 650 mm, use the steel entity prop cage, cage postposition without code mark.


★Dynamic equivalent load

P = Fr [KN],     Fa / Fr ≤ e;

P = 0.4Fr + YFa [KN],    Fa / Fr > e.

The single row tapered roller bearings used in pairs (basic physical size can be different), when calculation  the

equivalent dynamic load of the bearing, must be included in the radial load cause additional axial force. The single

row tapered roller bearing additional axial force S, can approximate formula: S = Fr / 2y


★Static equivalent load

Single row tapered roller bearings 

P0 = 0.5Fr + Y0Fa [KN] P0 < Fr, then P0 = Fr

Double row tapered roller bearings 

P = 0Fr + Y1Fa [KN],Fa/Fre ≤e P = 0.67Fr + Y2Fa [KN],  Fa/Fre > e






 







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Q:What is the 30207 judgment coefficient e of tapered roller bearings?
Your adoption is the driving force of my progress~~O (a O, a _) remember praise and adoption, help each other.
Q:What are the conditions for the normal and reverse loading of tapered roller bearings?
Hello, I'm Camry KMR bearingsTapered roller bearings are generally used in pairs, according to the adjustment, installation and use of different occasions, there are two following arrangement. The 1. suits (outer ring relatively narrow end) corner contact ball bearing or tapered roller bearing pressure center distance is less than two bearing mid span, called dress. The shafting of this method is simple in structure, easy to assemble, disassemble and adjust, but the heating elongation of the shaft will reduce the axial clearance of the bearing and even die.
Q:Can tapered roller bearings be installed in a vertical direction?
Absolutely. The bearing below the figure is the tapered roller bearing placed vertically.
Q:How does the roller of tapered roller bearings fit in?
Tapered roller bearings in the production of equipment, it is the first roller and cage assembly, and then into the inner ring, composed of components. Tapered roller bearings as long as the assembly, even if completed the inner ring, because the outer ring is only one ring.I don't know if you'll understand.
Q:Method or tool for measuring clearance of tapered roller bearings.
The utility model relates to a special measuring tool for the axial clearance of a tapered roller bearing, relating to a measuring tool used for measuring the gap between single row tapered roller bearings. Including about two relative PTFE gland set, the upper and lower ends of the gland in two PTFE is formed in the end of the notch, which formed a central notch, a notch in the center of the PTFE sleeve in the two or so is PTFE gland and PTFE sleeve are connected together by wing screw. The utility model has the advantages of greatly improving the measuring accuracy and accuracy, reducing the measuring error, and improving the maintenance efficiency and quality. It avoids the deviation in the maintenance process due to the different experience of the operator, and is simple and easy to operate.
Q:The installation of tapered roller bearings
1, for example, a shaft needs to be fitted with two such bearings at both ends. Can it be installed in the same direction?The force of the shaft is concerned. If the shaft is indeed subjected to one-way axial force, of course, it can be installed in the same direction. If it is subjected to biaxial axial force, it will not work
Q:Tapered roller bearings 32010x, two matching, how to install?
Suitable for heavy load and impact load. In addition to single row bearings, tapered roller bearings include double row bearings, pairs of double bearings and four row bearings. The taper roller bearing holder usually adopts a punch holder.
Q:What does "tapered roller bearing" suffix "A" mean?
Tapered roller bearing suffix AA - angular contact ball bearings with a contact angle of 30 degreesA5 - angular contact ball bearings with a contact angle of 25 degrees
Q:Tapered roller bearings. Are the rollers tapered?
As the name suggests, the roller of tapered roller bearings is conical, rather than a frustum of a cone. The roller of cylindrical roller bearings is cylindrical.
Q:Tapered roller bearing: Bearing expert why burned or locked
1, improper choice of bearing clearance.For example: C3 group should be selected for clearance, and the actual use of ordinary group clearance. Because when the bearings work will continue to accumulate heat, shaft diameter and inner ring and outer ring rolling body will swell, because good radiating condition of expansion is relatively small, the whole bearing clearance becomes small, or even negative clearance larger.At this time, stress increases between the body and the rolling roller pressure, lubrication conditions decreased, there will be the phenomenon of boundary lubrication or even local steel on steel friction, so the temperature continues to rise, the base oil in lubricating grease evaporation, so lead to vicious spiral bearing overheating burned, rolling annealing into blue black color, then bearing the friction increasing roller holder to stop COLLOPSE bearing lock.

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