Double Direction Thrust Angular Contact Ball Bearings
Precision bearings for bidirectional axial positioning, used in machine tool spindles, ball screw supports and high-rigidity rotary systems. TEDIN supplies 2344, 2347 and 2349 series with model confirmation and technical support.

Precision Axial Bearing Support
Designed for rigid axial location in spindle, screw support and precision rotary arrangements.
2344 / 2347 / 2349
Available Series
Bidirectional Axial Load
Double Direction Support
P5 /P4 / P2
Rotational Accuracy
Machine Tool Use
Spindles & Ball Screw Supports
What Are Double Direction Thrust Angular Contact Ball Bearings?
Double direction thrust angular contact ball bearings support axial loads in both directions while maintaining high rigidity and precise axial positioning.
They are widely used in machine tool spindles, ball screw supports, rotary tables and other precision assemblies requiring stable preload and reliable axial location.
TEDIN helps confirm suitable 2344, 2347 and 2349 series models based on your bearing code, drawing or application requirements.
Designed for Precision Axial Support
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01
Two-way axial load capacity
Supports axial forces from both directions for stable machine positioning.
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02
High rigidity structure
Helps improve axial stiffness in spindle, screw support and rotary systems.
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03
Precision series availability
Commonly supplied in 2344, 2347 and 2349 series for industrial applications.
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04
Technical replacement support
Send your bearing model, drawing, or sample details for selection assistance.
Choose the Right 2344, 2347 or 2349 Series
TEDIN double direction thrust angular contact ball bearings are available in multiple series to match different axial rigidity, installation space and load requirements in precision machinery.
Compact Precision Support
Suitable for compact bearing arrangements where reliable bidirectional axial support and precision positioning are required.
High-Rigidity Axial Location
Designed for applications requiring increased axial stiffness, stable preload and accurate shaft positioning under alternating axial loads.
Heavy-Duty Precision Arrangement
Typically selected for larger or more demanding bearing arrangements where high axial load capacity and rotational accuracy are critical.
Need help confirming the correct series?
Send your bearing code, drawing or operating conditions to TEDIN for model verification and replacement support.
Built for Precision Axial Positioning in Demanding Machinery
Double direction thrust angular contact ball bearings are commonly used where high axial rigidity, accurate shaft location and bidirectional axial load support are required.

Machine Tool Spindles
Used for precise axial location and high rotational accuracy in spindle systems requiring stable axial positioning.
Ball Screw Support Units
Provides rigid bidirectional axial support for precision feed mechanisms and high-accuracy positioning systems.
Rotary Tables
Helps maintain stable axial positioning in indexing, rotary table and high-precision rotating arrangements.
Precision Machinery
Suitable for equipment requiring compact, rigid and accurate axial bearing arrangements under demanding conditions.
These bearings are generally applied where radial support is handled by a separate bearing arrangement, while the double direction thrust angular contact ball bearing provides axial location and rigidity.
Support for Replacement, Drawings and Custom Requirements
TEDIN helps customers confirm suitable double direction thrust angular contact ball bearings based on existing model numbers, drawings, samples or application requirements.

From Model Replacement to Drawing-Based Manufacturing
Send us your bearing code, drawing or sample details. Our team can help review dimensions, precision grade and replacement requirements for your application.
- Replacement selection for SKF, FAG, NSK, NTN and equivalent bearing models.
- Drawing-based manufacturing support for precision machinery and spindle applications.
- Precision options including P5, P4 and selected customized specifications.
Include model number, drawing, precision grade or replacement brand for faster confirmation.
Double Direction Thrust Angular Contact Ball Bearings Catalogue
Technical catalogue for TEDIN double direction thrust angular contact ball bearings, including boundary dimensions, basic axial load ratings, mass and limiting speeds.
Series covered: 2344 and 2349 series are available for precision machine tools, ball screw supports and spindle axial location arrangements.
Download Catalogue| Type No. | Boundary Dimensions (mm) | Basic Axial Load Ratings (kN) | Limiting Speeds (r/min) | Mass (kg) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | T | C | B | r min | r1 min | Ca | Coa | Grease | Oil | ||
| 234928 | 140 | 190 | 60 | 30 | 15 | 1.5 | 1 | 91.5 | 365 | 2000 | 2800 | 4.2 |
| 234428 | 140 | 210 | 84 | 42 | 21 | 2.1 | 0.6 | 145 | 525 | 1800 | 2600 | 8.75 |
| 234930 | 150 | 210 | 72 | 36 | 18 | 2 | 1 | 116 | 465 | 1800 | 2400 | 6.6 |
| 234430 | 150 | 225 | 90 | 45 | 22.5 | 2.1 | 0.6 | 172 | 620 | 1700 | 2400 | 10.7 |
| 234932 | 160 | 220 | 72 | 36 | 18 | 2 | 1 | 118 | 490 | 1700 | 2400 | 7 |
| 234432 | 160 | 240 | 96 | 48 | 24 | 2.1 | 0.6 | 185 | 680 | 1600 | 2200 | 13 |
| 234934 | 170 | 230 | 72 | 36 | 18 | 2 | 1 | 120 | 520 | 1600 | 2200 | 7.35 |
| 234434 | 170 | 260 | 108 | 54 | 27 | 2.1 | 0.6 | 218 | 810 | 1500 | 2000 | 17.7 |
| 234936 | 180 | 250 | 84 | 42 | 21 | 2 | 1 | 158 | 655 | 1500 | 2000 | 10.7 |
| 234436 | 180 | 280 | 120 | 60 | 30 | 2.1 | 0.6 | 281 | 1020 | 1400 | 1900 | 23.4 |
| 234938 | 190 | 260 | 84 | 42 | 21 | 2 | 1 | 161 | 695 | 1400 | 2000 | 11 |
| 234438 | 190 | 290 | 120 | 60 | 30 | 2.1 | 0.6 | 285 | 1060 | 1300 | 1800 | 24.4 |
| 234940 | 200 | 280 | 96 | 48 | 24 | 2 | 1 | 204 | 855 | 1300 | 1800 | 15.7 |
| 234440 | 200 | 310 | 132 | 66 | 33 | 2.1 | 0.6 | 315 | 1180 | 1200 | 1700 | 31.5 |
| 234944 | 220 | 300 | 96 | 48 | 24 | 2 | 1 | 210 | 930 | 1200 | 1700 | 17 |
| 234444 | 220 | 340 | 144 | 72 | 36 | 3 | 1 | 360 | 1390 | 1100 | 1500 | 41 |
| 234948 | 240 | 320 | 96 | 48 | 24 | 2 | 1 | 213 | 980 | 1100 | 1500 | 18.3 |
| 234448 | 240 | 360 | 144 | 72 | 36 | 3 | 1 | 360 | 1450 | 1000 | 1400 | 44 |
| 234952 | 260 | 360 | 120 | 60 | 30 | 2 | 1 | 315 | 1390 | 1000 | 1400 | 30 |
| 234452 | 260 | 400 | 164 | 82 | 41 | 3 | 1.5 | 440 | 1890 | 900 | 1300 | 64.5 |
| 234956 | 280 | 380 | 120 | 60 | 30 | 2 | 1 | 320 | 1470 | 900 | 1300 | 33.5 |
| 234456 | 280 | 420 | 164 | 82 | 41 | 3 | 1.5 | 440 | 1960 | 850 | 1200 | 68 |
| 234960 | 300 | 420 | 144 | 72 | 36 | 3 | 1 | 395 | 1810 | 850 | 1200 | 53 |
| 234964 | 320 | 440 | 144 | 72 | 36 | 3 | 1 | 405 | 1920 | 800 | 1100 | 55.5 |
| 234968 | 340 | 460 | 144 | 72 | 36 | 3 | 1.1 | 415 | 2020 | 750 | 1000 | 58.5 |
| 234972 | 360 | 480 | 144 | 72 | 36 | 3 | 1.1 | 420 | 2130 | 710 | 950 | 61.5 |
| 234976 | 380 | 520 | 164 | 82 | 41 | 4 | 1.5 | 485 | 2560 | 630 | 900 | 87.5 |
| 234980 | 400 | 540 | 164 | 82 | 41 | 4 | 1.5 | 495 | 2700 | 600 | 850 | 91.5 |
Data is for reference only. Bearing availability, precision grade, preload, cage type, lubrication and matched set configuration can be confirmed according to your application requirements.
Ask for Selection SupportPurchasing FAQs
Find quick answers about stock availability, quotation requirements, replacement selection, precision grades and delivery options before sending your inquiry.
Do you have 2344, 2347 or 2349 series bearings in stock?
TEDIN can supply common double direction thrust angular contact ball bearing series including 2344, 2347 and 2349. Availability depends on bearing size, precision grade and order quantity. Please send your required model number for stock checking and quotation.
Can you quote based on an existing SKF, FAG, NSK or NTN bearing number?
Yes. If you are looking for a replacement or equivalent model, please send us the original brand and bearing number. TEDIN can help check dimensions, series compatibility and available precision options before quotation.
What information should I provide to get a fast quotation?
For a faster quotation, please provide the bearing model number, precision grade, quantity, target delivery time and any replacement brand if applicable. Drawings, photos or application details are also helpful for technical confirmation.
Can TEDIN supply P4 or P5 precision bearings?
Yes. TEDIN can supply selected double direction thrust angular contact ball bearings in P5 and P4 precision grades. Please confirm the bearing model and application requirement so that we can check available production options.
What is the typical lead time for these bearings?
Lead time depends on bearing size, precision grade, stock status and order quantity. Standard or common models may be available faster, while high-precision or customized bearings require production confirmation.
Do you accept small quantity or sample orders?
TEDIN can review sample orders or small quantity requirements depending on the bearing model and stock availability. Please send your required model, quantity and precision grade for confirmation.
Can you manufacture according to drawings or samples?
Yes. TEDIN can support drawing-based or sample-based manufacturing for selected precision bearing requirements. Please provide drawings, key dimensions, tolerance requirements and working conditions for evaluation.
Ready to check price, stock or replacement options? Send your bearing model number, drawing or precision requirement to TEDIN for quotation support.
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View PageSelect the Right Bearing for Your Axial Positioning System
Send your bearing model or application requirements. TEDIN will help confirm suitable double direction thrust angular contact ball bearings for your machine.
Helpful Details to Provide
- Bearing model or shaft size
- Application type and speed
- Required precision grade
- Quantity and delivery requirements