Introduction:

In the realm of machinery and mechanical systems, precision in axial motion is essential for optimal performance and efficiency. Axial angular contact ball bearings play a critical role in facilitating precise axial movements, particularly in high-speed and high-precision applications. Among the variety of axial angular contact ball bearings available, the 2344 and 2347 series stand out for their precision engineering and reliability. This article delves into the features, advantages, and applications of these bearings, highlighting their significance in driving efficiency and accuracy in axial motion control.

Precision Engineering for Axial Motion:

The 2344 and 2347 series of axial angular contact ball bearings are meticulously engineered to deliver precision in axial motion. Their design incorporates raceways inclined at an angle to the bearing axis, enabling them to accommodate both axial and radial loads simultaneously. This innovative design minimizes friction and ensures smooth axial motion, contributing to optimal performance in a wide range of industrial applications.

It consists of two shaft rings, one seat ring, one spacer and two rows of rolling elements and cage assembly. The clearance and preload of the bearing can be adjusted by grinding the thickness of the spacer. The contact angle of the bearing is 60°. The outer diameter of the bearing and its supporting double row cylindrical roller bearings with the same outer diameter, but the outer ring and the box hole between the gap, therefore, two-way thrust angular joint ball bearings do not bear radial load, and double row cylindrical roller bearings supporting the use of in order to withstand bidirectional axial load;.

With high precision, good rigidity, low temperature rise, high speed, easy loading and unloading and other advantages.

Two-way thrust angular joint ball bearings are divided into 2344 and 2347 two size series, 2344 series bearings are used with double rows of cylindrical roller bearings taper hole small end fit, 2347 series used for large end fit.

High Precision and Rigidity:

One of the defining characteristics of the 2344 and 2347 series axial angular contact ball bearings is their high precision and rigidity. These bearings are designed to maintain precise axial alignment even under heavy loads and high-speed operation. This feature is crucial for applications where accuracy and stability are paramount, such as machine tool spindle assemblies, precision gearboxes, and robotics.

Versatility Across Industries:

The versatility of the 2344 and 2347 series axial angular contact ball bearings makes them suitable for a diverse range of industries and applications. Whether it’s in automotive manufacturing, aerospace components, or industrial machinery, these bearings excel in providing reliable and accurate axial motion control. Their ability to withstand high loads and operate at elevated speeds makes them indispensable components in various industrial sectors.

High-Speed Capability:

The 2344 and 2347 series axial angular contact ball bearings are engineered to operate at high speeds, making them ideal for applications where rapid axial motion is required. Their ability to maintain stability and accuracy at elevated speeds ensures efficient performance in high-speed machining operations, spindle assemblies, and other demanding industrial environments.

Variety of Configurations:

To suit different application requirements, the 2344 and 2347 series axial angular contact ball bearings are available in a variety of configurations. Engineers can choose from single-directional and double-directional designs, as well as various preload options and cage materials. This versatility allows for greater flexibility in designing machinery and mechanical systems tailored to specific performance criteria.

Sealed and Lubricated for Longevity:

To ensure long-term reliability and performance, the 2344 and 2347 series axial angular contact ball bearings are equipped with effective sealing and lubrication systems. These features protect the bearings from contaminants and prevent premature wear, extending their service life and reducing maintenance requirements. The sealed design also helps to maintain optimal lubrication, further enhancing the bearings’ efficiency and durability.

Conclusion:

The 2344 and 2347 series axial angular contact ball bearings represent a cornerstone of precision and reliability in axial motion control. Their precision engineering, versatility, high-speed capability, and rigidity make them indispensable components in a wide range of industrial applications. As industries continue to demand greater efficiency and accuracy from their machinery and mechanical systems, these axial angular contact ball bearings remain at the forefront, driving innovation and excellence in axial motion control technology.

2344、2347 Axial Angular Contact Ball Bearing

2344、2347 Axial Angular Contact Ball Bearing Product Model

2344、2347 Axial Angular Contact Ball Bearing
LKPB
Model
Size(mm) Mounting Dimensions(mm) Basic load rating(KN) limiting speed(rpm) weights
d D B C d1 B1 rmin r1min ds ns dah12 DaH12 ramax ra1max dynamic load(Ca) static load(Coa) grease lubricants (kg)
234420-M 100 150 60 30 133 15 1.5 0.3 4.8 9.5 120.5 140.5 1.5 0.3 67 226 3800 5000 3.174
234720-M 103 150 60 30 133 15 1.5 0.3 4.8 9.5 120.5 140.5 1.5 0.3 67 226 3800 5000 2.95
234421-M 102 160 66 33 142 16.5 2 0.6 4.8 9.5 128 150 2 0.6 74 250 3600 4800 4.09
234721-M 109 160 66 33 142 16.5 2 0.6 4.8 9.5 128 150 2 0.6 74 250 3600 4800 3.73
234422-M 110 170 72 36 150 18 2 0.6 4.8 9.5 134.5 160 2 0.6 98 325 3400 4500 5.19
234722-M 114 170 72 36 150 18 2 0.6 4.8 9.5 134.5 160 2 0.6 98 325 3400 4500 4.79
234424-M 120 180 72 36 160 18 2 0.6 4.8 9.5 144.5 170 2 0.6 101 345 3200 4300 5.56
234724-M 124 180 72 36 160 18 2 0.6 4.8 9.5 144.5 170 2 0.6 101 345 3200 4300 5.14
234426-M 130 200 84 42 177 21 2 0.6 6.3 12.2 159 188 2 0.6 128 440 2800 3800 8.28
234726-M 135 200 84 42 177 21 2 0.6 6.3 12.2 159 188 2 0.6 128 440 2800 3800 7.58
234428-M 140 210 84 42 187 21 2.1 0.6 6.3 12.2 169 198 2.1 0.6 132 470 2600 3600 8.78
234728-M 145 210 84 42 187 21 2.1 0.6 6.3 12.2 169 198 2.1 0.6 132 470 2600 3600 8.07
234430-M 150 225 90 45 200 22.5 2.1 0.6 8 15 181 211.5 2.1 0.6 142 520 2600 3600 10.8
234730-M 155 225 90 45 200 22.5 2.1 0.6 8 15 181 211.5 2.1 0.6 142 520 2600 3600 9.95
234432-M 160 240 96 48 212 24 2.1 0.6 8 15 192.5 226 2.1 0.6 168 600 2400 3400 12.9
234732-M 165 240 96 48 212 24 2.1 0.6 8 15 192.5 226 2.1 0.6 168 600 2400 3400 12
234434-M 140 260 108 54 230 27 2.1 0.6 8 15 206.5 245 2.1 0.6 207 740 2200 3200 17.7
234734-M 176 260 108 54 230 27 2.1 0.6 8 15 206.5 245 2.1 0.6 207 740 2200 3200 16.3
234436-M 180 280 120 60 248 30 2.1 0.6 8 15 221 263 2.1 0.6 235 840 2000 3000 23.4
234736-M 187 280 120 60 248 30 2.1 0.6 8 15 221 263 2.1 0.6 235 840 2000 3000 21.5
234438-M 190 290 120 60 248 30 2.1 0.6 8 15 231 273 2.1 0.6 244 900 1900 2800 24.7
234738-M 197 290 120 60 248 30 2.1 0.6 8 15 231 273 2.1 0.6 244 900 1900 2800 22.6
234440-M 200 310 132 66 274 33 2.1 0.6 8 15 245 291.5 2.1 0.6 285 1060 1800 2600 31.5
234740-M 207 310 132 66 274 33 2.1 0.6 8 15 245 291.5 2.1 0.6 285 1060 1800 2600 29.2
234444-M 220 340 144 72 304 36 3 1.1 9.5 17.7 269 318 3 1.1 340 1330 1600 2200 41.7
234744-M 228 340 144 72 304 36 3 1.1 9.5 17.7 269 318 3 1.1 340 1330 1600 2200 38.5
234448-M 240 360 144 72 322 36 3 1.1 9.5 17.7 289 338 3 1.1 350 1420 1500 2000 43.8
234748-M 248 360 144 72 322 36 3 1.1 9.5 17.7 289 338 3 1.1 350 1420 1500 2000 40.4
234452-M 260 400 164 7282 354 41 4 1.5 9.5 17.7 317.5 374.5 4 1.5 400 1680 1400 1900 64.5
234752-M 269 400 164 82 354 41 4 1.5 9.5 17.7 317.5 374.5 4 1.5 400 1680 1400 1900 59.7
234456-M 280 420 164 82 374 41 4 1.5 9.5 17.7 337.5 394.5 4 1.5 415 1790 1300 1800 69
234756-M 289 420 164 82 374 41 4 1.5 9.5 17.7 337.5 394.5 4 1.5 415 1790 1300 1800 63.8
234460-M 300 460 190 95 406 47.5 4 1.5 9.5 17.7 366 428.5 4 1.5 480 2170 1200 1700 98.4
234760-M 310 460 190 95 406 47.5 4 1.5 9.5 17.7 366 428.5 4 1.5 480 2170 1200 1700 91.2
234464-M 320 480 190 95 426 47.5 4 1.5 9.5 17.7 386 448.5 4 1.5 495 2310 1200 1700 102
234764-M 330 480 190 95 426 47.5 4 1.5 9.5 17.7 386 448.5 4 1.5 495 2310 1200 1700 94.9
234468-M 340 520 212 106 459 53 4 1.5 9.5 17.7 113 485.5 4 1.5 580 2850 1100 1600 138
234768-M 350 520 212 106 459 53 4 1.5 9.5 17.7 413 485.5 4 1.5 580 2850 1100 1600 129
234472-M 360 540 212 106 479 53 4 1.5 9.5 17.7 433 505.5 4 1.5 590 2950 1000 1500 144
234772-M 370 540 212 106 479 53 4 1.5 9.5 17.7 433 505.5 4 1.5 590 2950 1000 1500 135
234476-M 380 560 212 106 499 53 4 1.5 9.5 17.7 453 525.5 4 1.5 610 3150 1000 1500 154
234776-M 390 560 212 106 499 53 4 1.5 9.5 17.7 453 525.5 4 1.5 610 3150 1000 1500 144
234480-M 400 600 236 118 532 59 5 2 9.5 17.7 480 561.5 5 2 680 3650 900 1300 198
234780-M 410 600 236 118 532 59 5 2 9.5 17.7 480 561.5 5 2 680 3650 900 1300 187

For expert guidance in meeting your specific requirements, reach out to our knowledgeable team. Experience firsthand how our precision solutions can elevate your machinery’s efficiency and durability. Contact us today!

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Supporting OEM service; 50 days return service; 7*24 hours technical support; Accept non-standard customization; Maximum 24 months product warranty

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    FAQ

    Luoyang LIKE Precision Machinery Co., Ltd – LKPB®, Product precision can be P5, P4, P2 and VSP, Inside diameter size range φ20mm – φ2000mm. Maximum product quality warranty of 24 months, OEM acceptable.

    LKPB With more than 10 years of production experience, The most professional suppliers of precision bearings in China. 

    LKPB® strictly follows the ISO9001 quality system requirements for product quality control, relying on the professional technology of the bearing production base, the product quality is stable and cost-effective,

    LKPB®, turning the world, carrying unlimited! We have served thousands of customers all over the world during the ten years of our establishment.

    Our future goal is to become the most professional manufacturer of rotary table bearings and crossed roller bearings in China, and make LKPB® a world-class bearing brand.

    This is our vision and direction!

    LKPB® has accumulated rich production experience in the past 10 years,  supporting OEM service. Our products are exported to Germany, Italy, Korea, Japan, the United States, Belgium, Turkey and so on.

    Top quality:

    1. Precision Rotary Table Bearings ( YRT, YRTCYRTS, YRTMZKLDF Series) ;

    2. Precision Cross Roller Bearings ( RA/RA-C, RAURBRU, RW, RE, SXXU, XV, XSUXR/JXRCRB/CRBC, CRBF/CRBFV,  CRBH/CRBHV, CRBS/CRBSV, CRBT/CRBTF Series); 

    3. Precision Thin Section Bearings ( KAA, KA, KB, KC, KD, KF, KG, JHA, JA, JB, JG, JU Series);  

    4. Robot Harmonic Reducer Bearings (CSF/CSGSHF/SHG, Z Series and Flexible Bearings F, 3E Series); 

    5. Angular Contact Ball Bearings ( 718, 719, 70, 72, 2344/2347 Series);  

    6. Ball Screw Support Bearings (ZKLF(N), ZARF, ZARN Series);

    7. Hollow Rotary Platform Bearings ( ZK Series).

    Yes, We have experience working in this area

    The main application areas of our products are precision rotary tables, machining center rotary tables, industrial robot joints and rotating, robotic rotating parts, CNC machine tools, automation industry, direct drive motors, precision instruments, radar, medical equipment and other industries.

    Regular models are in stock, reasonable prices, ready for delivery, non-standard precision bearings according to the requirements of the drawings and the number of 1-3 weeks delivery time