< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=703786852161924&ev=PageView&noscript=1" />
Taper Roller Bearing:31308

Taper Roller Bearing:31308

Basic Parameters

Product Name:

Taper roller bearing

Type:

Roller Bearing

Brand :

FODA

New Model:

31308

Old Model:

27308

Inner Diameter (mm):

40

Outer Diameter (mm):

90

Thickness (mm):

25

Weight (kg/pc):

0.72

Product Details
Basic Parameters
Model meaning: “31308” is the model number of a tapered roller bearing. Among them, “3” represents the tapered roller bearing type. “13” is the size series code (“1” indicates the width series is normal width, and “3” indicates the diameter series). “08” indicates the inner diameter size. For bearings with an inner diameter code of 04 - 99, the inner diameter size is the code number multiplied by 5. So the inner diameter of this bearing is 40mm.
Appearance structure: The tapered roller bearing 31308 is mainly composed of an outer ring, an inner ring, tapered rollers and a cage. The outer surface of the outer ring is usually a smooth cylindrical surface for installation and fixation. The inner ring has a tapered hole for installation in cooperation with the shaft. The inner side has a raceway for guiding the tapered rollers. The tapered rollers are the key components of the bearing. Their shape is a cone and they can bear radial and axial forces at the same time. The cage is used to separate the tapered rollers and make them evenly distributed to avoid mutual friction and collision.
    • 31308

    • 31308

 


Performance Characteristics Introduction


Strong load-bearing capacity: This bearing can simultaneously withstand large radial and axial loads. For example, in heavy machinery, it can effectively support rotating parts and prevent part damage caused by excessive loads. In the differential of a car, the 31308 bearing can withstand the axial force generated when the vehicle turns and also support radial loads such as the weight of the differential itself.
High operational stability: The tapered roller and raceway are in line contact. Compared to bearings with point contact, it can better distribute the load and reduce local stress concentration. This enables the bearing to maintain a low vibration and noise level even at high speeds. Just like using the 31308 bearing on the rotating shaft of a machine tool, it can ensure high precision in the machining process because its stable operation will not cause relative vibration between the tool and the workpiece.
Long service life: It is generally made of high-quality bearing steel and undergoes strict heat treatment and precision machining processes. This gives the bearing high hardness, wear resistance, and fatigue strength. Under normal working conditions, such as within the appropriate range of lubrication, speed, and load, it can withstand repeated loading and has a long service life, reducing the frequency of equipment maintenance and replacement.
Adaptable to various working conditions: It has good high-temperature resistance and can work normally in a certain high-temperature environment. For example, in the rolling mill of metallurgical equipment, it can withstand the high temperature during the rolling process. At the same time, it also has certain corrosion resistance. After appropriate surface treatment, it can be used in some harsh working environments. For example, in mining machinery, even if it comes into contact with some impurities such as dust and water, it can still maintain good performance.
Convenient for installation and disassembly: The 31308 bearing is a separable bearing. The outer ring, inner ring, and rolling element components can be installed and disassembled separately. This is very beneficial for equipment maintenance and repair. For example, in the maintenance of a car transmission, maintenance personnel can easily disassemble the various parts of the bearing for inspection and replacement, thereby reducing the maintenance time and cost of the equipment.

Introduction of application fields
 
Automotive industry: Widely used in automotive transmissions and differentials. In transmissions, it can ensure the stable rotation of gear shafts, guarantee the correct meshing of gears, and achieve effective power transmission. In differentials, it is used to bear the axial force generated by the speed difference between the left and right wheels when the vehicle turns, ensuring smooth turning of the vehicle.
Construction machinery field: It has important applications in equipment such as loaders and excavators. In the working device of loaders, it provides stable support for the movement of the boom and bucket and bears complex loads such as material weight and excavation force. In the slewing mechanism of excavators, it is used to support the slewing platform and ensure the smooth and accurate rotation of excavators.
Metallurgical equipment: Used in rolling mills and continuous casters. In rolling mills, it supports the rolls, bears huge rolling forces, ensures the stable operation of the rolls, and guarantees the rolling quality of steel. In the conveying roller table system of continuous casters, it can bear the weight of billets and possible axial forces to ensure the smooth transportation of billets.
Wind power equipment: It plays a role in the yaw system and gearbox of wind turbines. In the yaw system, it can bear the radial force generated by the weight of the nacelle and blades and the axial force generated by the yaw action, ensuring that the wind turbine accurately aligns with the wind direction. In the gearbox, it is used to support the gear shaft and ensure the stable operation of the gearbox under complex and variable wind speeds and load conditions.
  • transmission

  • loader

  • rolling mill

  • yaw syste

Product List

 

 Bearing No. Dimensions (mm) Basic Load Rating (N) Weigh (kg)       
ISO GOST d D B Dyn. C Stat. C0
31305 27305 25 62 17 38000 40000 0.260 
31306 27306 30 72 19 47300 50000 0.390 
31307 27307 35 80 21 61600 67000 0.520 
31308 27308 40 90 25 73700 81500 0.720 
31309 27309 45 100 25 91300 102000 0.950 
31310 27310 50 110 27 106000 120000 1.200 
31311 27311 55 120 29 121000 137000 1.550 
31312 27312 60 130 31 145000 166000 1.900 
31313 27313 65 140 33 165000 193000 2.350 
31314 27314 70 150 35 187000 220000 2.950 
31315 27315 75 160 37 209000 245000 3.500 
31316 27316 80 170 39 224000 265000 4.050 
31317 27317 85 180 41 242000 285000 4.600 
31318 27318 90 190 43 264000 315000 5.900 
31319 27319 95 200 45 292000 355000 6.950 
31320 27320 100 215 51 374000 465000 8.600 
31321 27321 105 225 53 402000 500000 9.650 
31322 27322 110 240 57 457000 585000 12.000 
31324 27324 120 260 62 539000 695000 15.500 
31326 27326 130 280 66 605000 780000 18.500 
31328 27328 140 300 70 693000 900000 24.500 
31330 27330 150 320 75 781000 1020000 29.500 


Read The Latest News
Company News
  • Double Threaded Screw Slide: Achieving an Astounding Precision of 0.01mm while Bearing 100kg!
    Double Threaded Screw Slide: Achieving an Astounding Precision of 0.01mm while Bearing 100kg!
    Double thread screw slide # high precision # high load
    Read More
  • Notice of May Day Labor Day Holiday |
    Notice of May Day Labor Day Holiday |
    Notice of May Day Labor Day Holiday | Grateful for Your Company, Looking Forward to New Achievements Together
    Read More
  • Lightning - Fast 90° Rotation and Pick - up in 6 Seconds!
    Lightning - Fast 90° Rotation and Pick - up in 6 Seconds!
    In the fast - paced race of industrial production, efficiency is the core of competitivene
    Read More
Mesign & Development
Manufacturing & Processing
We Only Focus On Mechanical Services
FODA BEARING is built on a foundation of technical excellence, carefully built through a commitment to quality, innovation and service to the global market and more than two decades of industry expertise and tireless efforts to serve customers around the world
Dedicated Customer Teams & An Agile Services
Our worldwide presence ensures the timeliness, cost efficiency and compliance adherence required to ensure your production timelines are met.
Request A Quote
Complete control over products allows us to ensure our customers receive the best quality prices and service. We take great pride in everything that we do in our factory.

We will get back to you within 24 hours, or call us 86-18903317731

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.