China Professional Double Row Taper Roller Bearing for Drilling Rig CZPT Block Lm241149nw/Lm241110d bearing assembly

Product Description

Single-Row Tapered Roller Bearing  Inner Diameter 60-900 mm
Double-row Tapered Roller Bearing  Inner Diameter of 70-1120 mm
Four-row Tapered Roller Bearing   Inner Diameter 139.7-780 mm 

The tapered roller bearing is designed to have the taper surfaces of the Inner ring raceway, outer ring raceway and the rolling surface of the roller interest at 1 point in the central line of the bearing.    
Products in the metric system as well as in the English system are available. For more information, please contact WGYS.
They suit for heavy load and impact load.
Single-row Tapered Roller Bearing
It can bear both radial load and one-way axial load.
The axial thrust load will occur when these bearings are bearing radial load, so 2 bearings should be used  face to face or back to back(or in combination) .
According to different contact angles, they can be classified into 3 patterns: small taper angle, medium taper angle and big taper angle.
Double-row Tapered Roller Bearing
They can be divided into 2 kinds: TDO and TDI.
The former 1 has a outer ring with a double raceway and a inner ring with 2 single raceways while the latter 1 has a outer ring with 2 single raceways and a inner ring with a double raceway. Both can bear radial load and two-way axial load.
The sizes of Inner ring and out ring should be coped in advance to ensure the required internal clearance after installation. 
Four-row Tapered Roller Bearing
They suit for low and medium speed rolling mills.
After investigation into the internal clearance in advance, they are easy to use.

 

Bearing No.  
New Code LM241149NW/LM241110D
Old code  
Boundary dimensions(mm)  
d 203.2
D 276.225
T 95.25
C 73.571
Basic load ratings(kN)  
Cr 600
Cor 1250
Limiting speed(rpm)  
Grease 720
Oil 900
Mass(Kg)  
(Refer.) 14.7

Metric single row taper roller bearing
1.302 Series
2.303 Series
3.313 Series
4.320 Series
5.322 Series
6.323 Series
7.330 Series
8.331 Series
9.332 Series
10.329 Series
Inch single row Taper roller bearing
Metric double row  taper roller bearing
Inch double row  taper roller bearing
Four row taper roller bearing
 

Bearing No. Principal Dimensions (mm) Basic Load Ratings (N) Limiting Speeds (r/min) Mass
d D T B C Dynamic (Cr) Static (C0r) Grease Oil kg
33205 25 52 22 22 18 37840 44800 5360 7200 0.23
33206 30 62 25 25 19.5 51520 61200 4480 6000 0.37
33207 35 72 28 28 22 67360 84800 3840 5040 0.56
33208 40 80 32 32 25 84000 105600 3440 4480 0.77
33209 45 85 32 32 25 86400 114400 3200 4240 0.82
33210 50 90 32 32 24.5 91200 128000 3040 4000 0.9
33211 55 100 35 35 27 110400 152000 2720 3600 1.2
33212 60 110 38 38 29 134400 188800 2400 3200 1.6
33213 65 120 41 41 32 155200 216000 2240 3040 2.05
33214 70 125 41 41 32 160800 228000 2080 2880 2.1
33215 75 130 41 41 31 167200 240000 1920 2720 2.25
33216 80 140 46 46 35 200800 300000 1760 2560 2.9
33217 85 150 49 49 37 228800 344000 1600 2400 3.7
33220 100 180 63 63 48 343200 524000 1360 1920 6.95
                     
                     
Bearing No. Principal Dimensions (mm) Basic Load Ratings (N) Limiting Speeds (r/min) Mass
d D T B C Dynamic (Cr) Static (C0r) Grease Oil kg
33108 40 75 26 26 20.5 63360 83200 4000 5360 0.51
33109 45 80 26 26 20.5 67360 91200 3600 4800 0.56
33110 50 85 26 26 20.5 68640 97600 3440 4480 0.59
33111 55 95 30 30 23 88000 124800 3040 4000 0.86
33112 60 100 30 30 23 93600 136000 2880 3840 0.92
33113 65 110 34 34 26.5 113600 166400 2560 3440 1.3
33114 70 120 37 37 29 137600 200000 2400 3200 1.7
33115 75 125 37 37 29 140800 212000 2240 3040 1.8
33116 80 130 37 37 29 143200 224000 2080 2880 1.9
33117 85 140 41 41 32 176000 272000 1920 2720 2.45
33118 90 150 45 45 35 200800 312000 1600 2400 3.1
33122 110 180 56 56 43 295200 504000 1440 2080 5.55

 

Inch Tapered Roller Thrust Bearings
BRG # Bearing No BORE O.D. HEIGHT WIEGHT
    d(inch) D(inch) T(inch) kgs
T 411 T411 4 8.5 1.8125 8.9
T 441 T441 4.4 8.8 2.2 11.4
T 451 T451 4.5 9.875 2.125 15
T 511 T511 5 10.5 2.3125 17.8
T 511 A T511A 5.0625 10.5 2.3125 17.8
T 520 T520 5 9.875 2.1875 13.9
T 611 T611 6 12.5 2.75 29.3
T 651 T651 6.5 12.25 3.5 38.3
T 661 T661 6.625 12 2.75 27.8
T 691 T691 6.875 14.125 3.25 45.3
T 711 T711 7 14.5 3.25 48.4
T 811 T811 8 16.5 3.625 69.3
T 811 X T811X 8 16.5 4.75 92.7
T 811 XA T811XA 8 16.5 4.1875 81.8
T 911 T911 9 19 4.125 105
T 911 A T911A 9.25 19 4.125 103
T 921 T921 9.25 21.5 5 171
T 1011 T1011 10 21.25 4.625 147
T 1115 T1115 11 19.5 5.25 125
T 1120 T1120 11 23.75 5.375 212
T 1421 T1421 14 21 4 83.9
T 7519 T7519 7.4803 14 2.922 35.9
T 9571 T9571 9 17 3.495 65.7
T 14520 T14520 14.5 23.75 4.75 144
T 16571 T16571 16 28 5.75 264
T 16050 T06050 16 33 7 517
T 48000 T48000 48 60 5.375 596

Package
For the medium and large size bearings,we usually pack it by wrapped belt and wooden case.This will avoid any damage to the bearing surface and make the bearing better performance when it arrives at the destination.Also,we can pack it by customer’s requirement.

Inventory

 

Dimensions (mm) Basic load rating (KN) Weight (kg) Number    
d D H      
Dynamic Staitc  
160 300 110 580 2900 3.5 829232   515805
170 240 84 380 1390 12.5 829234 350980C 528974
180 280 90 580 2900 21 829736 353162 528294
220 300 96 450 1800 19.5 829244 351019C 528876
230 400 180 980 4800 114 829746   53571
240 320 96 430 2000 21.5 829748 351182C 529086
250 380 100 850 500 42.3 829950 353005 557171
260 360 92 630 3200 27.7 829252 350981C 55712
270 450 180 1700 6100 118 829954 351164C 527907
300 420 100 890 4500 42 829260   524740
320 440 108 990 4700 48 829264 353102C 528562
320 470 130 1350 5800 79 829764 350982C 509654
350 490 130 1200 5300 73.5 826970 351100C 53571
350 540 135 1750 9200 112 829970K 353006 522008
360 560 200 2400 12500 180 829272   524194
380 530 130 1800 10000   829276   513828
380 560 130 1800 10000 108 829776 351175C 513125
380 650 215 3400 17200   829976 BFDB353204 545936
400 650 200 2700 13800   829780   540162
420 620 170 2420 12200   829784 351121C 55712
420 620 185 2420 12200   829784K BFDB353200/HA3 545991
440 645 167 1980 10800   829788 353151 534038
450 645 155 1980 10800   829990 35571D 513401
470 720 200 3450 18000   829994 351301 C  
470 720 210 3450 18000   829794 BFDB353238/HA3 549701
480 710 218 2900 13000   829796   547584
530 710 218 2300 14000   8292/530 351475C 511746
550 760 230 2950 13500   8297/550 35571C 515196
600 880 290 4750 21500   8297/600 BFDB350824B/HA1  
670 900 230 3600 19500   8292/670 351761A  

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Cage: Pressed Steel
Precision: ABEC-1/P0
Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ucp bearing

Which companies are leading manufacturers of block bearings?

When it comes to block bearings, there are several leading manufacturers that are known for their high-quality products and expertise in the field. Here’s a detailed explanation of some of the prominent companies that are considered leading manufacturers of block bearings:

  1. SKF: SKF is a renowned global manufacturer of bearings and related products. They offer a wide range of block bearings under their brand name. SKF block bearings are known for their reliability, durability, and performance. SKF provides various designs and configurations to cater to different applications and industries.
  2. Timken: Timken is another well-established manufacturer of bearings, including block bearings. Timken block bearings are known for their high-quality construction and long service life. They offer a diverse range of block bearing solutions to meet the needs of various industries, including automotive, industrial, and agricultural applications.
  3. NSK: NSK is a leading manufacturer of bearings, including block bearings, across the globe. They have a wide range of block bearing units designed for different shaft diameters and applications. NSK block bearings are recognized for their precision, reliability, and innovative designs, catering to industries such as automotive, industrial machinery, and agriculture.
  4. NTN: NTN is a trusted manufacturer of bearings and bearing units, including block bearings. They offer a comprehensive range of block bearing units designed for different load capacities and operating conditions. NTN block bearings are known for their high-quality materials, advanced engineering, and reliable performance.
  5. FAG: FAG, a brand of Schaeffler Group, is a leading manufacturer of bearings and bearing housings, including block bearings. FAG block bearings are known for their precision, robustness, and superior performance. They provide a wide range of block bearing units suitable for various industries and applications.
  6. Dodge (ABB): Dodge, now a part of ABB, is a well-known manufacturer of bearings and bearing housings, including block bearings. They offer a diverse range of block bearing units designed for various industries and applications, such as mining, aggregate, and food processing. Dodge block bearings are recognized for their durability and reliability.

It’s important to note that the list above represents some of the leading manufacturers of block bearings, but there are other reputable manufacturers in the market as well. These manufacturers often have a wide network of authorized distributors and dealers who can provide their products and support.

When selecting block bearings, it’s advisable to consider the specific requirements of your application, such as load capacity, operating conditions, and industry standards. Consulting with these leading manufacturers or their authorized distributors can help you choose the right block bearing for your needs.

ucp bearing

What is the temperature tolerance for block bearings?

The temperature tolerance for block bearings can vary depending on factors such as the bearing design, materials used, lubrication, and specific application requirements. Block bearings are designed to operate within a certain temperature range to ensure optimal performance, lubrication effectiveness, and overall bearing life. Here are some key points regarding the temperature tolerance of block bearings:

1. Standard Temperature Range: In general, standard block bearings are designed to operate within a temperature range of -20°C to +120°C (-4°F to +248°F). This temperature range covers a wide range of industrial applications and is suitable for many common operating conditions. It is important to note that this is a general guideline, and specific bearing models or manufacturers may have their own temperature specifications.

2. High-Temperature Bearings: For applications that involve higher temperatures beyond the standard range, special high-temperature block bearings are available. These bearings are designed to withstand elevated temperatures and can operate reliably in conditions up to 200°C (392°F) or higher, depending on the specific design and materials used. High-temperature bearings typically incorporate heat-resistant materials and special lubricants to ensure stability and performance under extreme temperatures.

3. Low-Temperature Bearings: In applications where extremely low temperatures are encountered, such as in refrigeration or cryogenic environments, low-temperature block bearings may be required. These bearings are designed to withstand cold temperatures and maintain their performance even at temperatures as low as -50°C (-58°F) or lower. Special attention is given to the selection of materials and lubricants that can withstand low temperatures without compromising the bearing’s functionality.

4. Temperature Limitations: It’s crucial to consider the temperature limitations specified by the bearing manufacturer. Operating a block bearing outside of its recommended temperature range can lead to premature wear, lubrication breakdown, reduced load capacity, or even catastrophic failure. Factors such as the bearing’s materials, lubrication type, sealing, and cage design can all contribute to the temperature limitations of the bearing.

5. Lubrication Considerations: Proper lubrication is essential for maintaining the performance and temperature tolerance of block bearings. Lubricants have specific temperature ranges within which they can effectively operate. It’s important to select lubricants that are suitable for the anticipated operating temperatures to ensure proper lubrication and prevent issues like excessive friction, overheating, or lubricant degradation.

6. Consult Manufacturer Specifications: To determine the temperature tolerance of a specific block bearing, it is important to consult the manufacturer’s specifications, technical data sheets, or contact the manufacturer directly. They can provide detailed information about the recommended temperature range, limitations, and any special considerations for the specific bearing model.

Overall, the temperature tolerance of block bearings can vary depending on the specific design, materials, and lubrication used. It is crucial to select the appropriate bearing that matches the anticipated operating temperature to ensure reliable performance, minimize wear, and prolong the bearing’s service life.

ucp bearing

How do I install a block bearing correctly?

Proper installation of a block bearing is crucial to ensure its optimal performance and longevity. Here’s a detailed explanation of the correct installation process for a block bearing:

  1. Prepare the Mounting Surface: Start by preparing the mounting surface where the block bearing will be installed. Ensure that the surface is clean, flat, and free from any debris or contaminants that could affect the bearing’s performance.
  2. Inspect the Bearing and Housing: Before installation, carefully inspect the block bearing and its housing for any signs of damage or defects. Check for any cracks, dents, or misalignment. Ensure that the bearing insert is clean and properly lubricated.
  3. Align the Mounting Holes: Align the mounting holes on the block bearing’s housing with the corresponding holes on the mounting surface. Use a level or straight edge to ensure proper alignment and prevent any misalignment that could lead to premature wear or failure.
  4. Secure the Bearing: Once the alignment is ensured, secure the block bearing onto the mounting surface using appropriate bolts or fasteners. Tighten the bolts gradually and evenly, following the manufacturer’s recommended torque specifications. Avoid over-tightening, as it can cause damage to the bearing or housing.
  5. Verify Shaft Alignment: After securing the block bearing, check the alignment of the shaft or rod that will be inserted into the bearing. Ensure that the shaft is properly aligned with the bearing’s inner race to prevent excessive load or stress on the bearing during operation.
  6. Apply Lubrication: Apply the recommended lubricant to the bearing insert according to the manufacturer’s guidelines. Proper lubrication is essential to minimize friction and wear, and it helps ensure smooth rotation and prolonged bearing life. Some block bearings have grease fittings or seals that allow for easy lubrication.
  7. Perform a Function Test: Once the block bearing is installed and lubricated, perform a function test to ensure smooth rotation and proper operation. Rotate the shaft or apply a load to the bearing and check for any abnormal noise, vibration, or resistance. If any issues are detected, double-check the installation and consult the manufacturer or technical support for further guidance.

It’s important to follow the manufacturer’s instructions and guidelines specific to the block bearing you are installing. These instructions may vary depending on the bearing size, type, and design. If in doubt, consult the manufacturer’s documentation, installation guides, or contact their technical support for assistance.

By following the correct installation procedures and ensuring proper alignment, securing, and lubrication, you can maximize the performance and service life of the block bearing.

China Professional Double Row Taper Roller Bearing for Drilling Rig CZPT Block Lm241149nw/Lm241110d   bearing assemblyChina Professional Double Row Taper Roller Bearing for Drilling Rig CZPT Block Lm241149nw/Lm241110d   bearing assembly
editor by CX 2024-04-26