Bearings double row Tapered roller 352128

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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:Tapered roller bearings. Are the rollers tapered?
The frustum of the cone can be seen as a right angled trapezoid revolving around the right angle, and the top is a circle. Can also be seen on top of the tip is tapered off, the tapered roller head is not a round face
Q:Taper roller bearing limit speed 20
First of all, different types of tapered roller bearings, the limit speed is different. Bearing on catalog.Second, the calculation of bearing limit speed is calculated by computer simulation of bearing manufacturer. It is very complicated. Mainly based on frictional heat generation and cage strength limit.So, we use bearing technology or design personnel, only need to control your speed in the following catalog bearing manufacturers can.In addition, oil lubrication is better than grease lubrication at the same speed.
Q:There is a slot in the inner ring of tapered roller bearings, right? Is the roller in the slot?
There is a slot in the cone... The ball is placed in the slot
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 E and Y values of the 30209 bearings of tapered roller bearings?
According to its role, it can be divided into the locating shaft shoulder and the transition shaft shoulder.
Q:Small problems of roller bearings of tapered roller bearings
Tapered roller bearing roller must have certain taper roller and raceway, inside and outside the vertebral vertebral vertex vertex must be of the same point and in the shaft center line (similar to bevel), or when the roller bearing motion reducer and raceway for angular velocity, linear velocity will be the same for different sliding friction and rolling bearing becomes sliding bearing.
Q:Internal and external tolerances for tapered roller bearings?
Less points, huh, huh?Bearings are tested with a dedicated bearing inspection instrumentTable seat:Outside diameter D913Internal diameter D923Height G904With standard and special micrometer (usually microkators and leverage comparator)Each inspection procedure has the corresponding inspection instructionYou can provide the job instructions free of charge to your bearings suppliers as a project to review their process controlAs for the instrument, you should pay for it even if your supplier offers itIf you buy the bearings in the retailers, then you have to pay for them yourselfThe work instructions may also have to be replaced by money
Q:Method or tool for measuring clearance of tapered roller bearings.
You can measure the oil gap with a drop bar, that is, a soft drop ruler, which can be purchased without measuring the instrument of the bearing
Q:Why is the cage of tapered roller bearings loose?
You can come up with the relevant standards, must belong to the bearing standard parts, as long as you meet the standard requirements of the bearing can be spread!
Q:Tapered roller bearings 32010x, two matching, how to install?
Bearing type: tapered roller bearingNew model: 32010XOld model: 2007110EInternal diameter (mm):50Outside diameter (mm):80Width (mm):19Tapered roller bearings are mainly used to support radial load and axial load, which should not be subjected to axial load alone.

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