Product Review
Machine Tool Spindle Bearing |
Precision Thrust Bearing
Double direction angular contact thrust ball bearings are designed to support axial loads in both directions while ensuring precise shaft positioning and stable operation. These bearings are widely used in precision machinery where high axial stiffness, accuracy, and reliability are essential.
With an optimized angular contact design, this type of precision thrust bearing provides excellent load distribution and smooth rotation, making it particularly suitable for applications requiring accurate axial guidance.

Cage & Material Options
- Standard configuration with machined brass cage
- Excellent wear resistance and thermal stability
- Reliable ball guidance at higher speeds
- Alternative cage materials available upon request

Key Features & Advantages
- Supports axial loads in both directions
- High axial stiffness for precise positioning
- Optimized contact angle for stable performance
- Low friction and reduced heat generation
- Suitable for high-speed and continuous operation
- Long service life under demanding conditions

Bearing Design & Structure
The bearing features a double direction angular contact ball design, allowing it to carry axial forces from both directions through matched raceways and precision balls.
This structure improves load distribution and enhances rigidity, ensuring consistent performance in precision and heavy-duty applications.
Precision & Performance
As a precision thrust bearing, this bearing type is manufactured under strict quality control to achieve high running accuracy and controlled axial clearance.
It effectively limits axial displacement under load, making it an ideal solution for machine tool spindles and high-precision positioning systems.
Precision & Performance
As a precision thrust bearing, this bearing type is manufactured under strict quality control to achieve high running accuracy and controlled axial clearance.
It effectively limits axial displacement under load, making it an ideal solution for machine tool spindles and high-precision positioning systems.
Engineering Experience in Precision Thrust Bearings
With years of experience in the design and manufacture of precision thrust bearings, we supply double direction angular contact thrust ball bearings for demanding industrial applications.
Our products are widely used in machine tool spindles, CNC machining centers, and precision drive systems, where stable axial positioning and long-term reliability are essential.
Each bearing is developed based on real application feedback, ensuring consistent performance under high axial loads and continuous operating conditions.
Expertise in Bearing Design & Manufacturing
Our double direction angular contact thrust ball bearings are designed by experienced engineers with deep expertise in load distribution, contact angle optimization, and axial stiffness control.
Advanced manufacturing processes and precision grinding technology ensure high dimensional accuracy and repeatable performance.
Every bearing undergoes strict quality inspection to meet the requirements of precision thrust bearing and machine tool spindle bearing applications.
Quality Control & Reliability Assurance
Quality and reliability are at the core of our bearing manufacturing process.
From raw material selection to final inspection, each precision thrust bearing is produced under controlled procedures to ensure consistent performance and long service life.
Our double direction angular contact thrust ball bearings are designed to deliver reliable operation even in demanding environments, helping customers reduce maintenance costs and improve equipment stability.
Related Products
Related products include single direction angular contact thrust ball bearings, tapered roller thrust bearings, and cylindrical roller thrust bearings, offering alternative solutions for different load capacities, stiffness requirements, and operating conditions.
Customization & Technical Support
We provide customized bearing solutions to meet specific application requirements, including special dimensions, tolerances, and cage designs.
Our engineering team offers professional technical support for bearing selection, installation guidance, and OEM or replacement applications.
Hot Tags: double direction thrust ball bearings, China, manufacturers, factory, customized, for sale, Four Row Tapered Roller Bearing 47TS513627B, Four Row Tapered Roller Bearing 47TS573824A, double row tapered roller bearing 3519 670, cylindrical roller bearing NNU4940, Four Row Tapered Roller Bearing 47TS564127, QJ 1256 N2MA
|
Type No. |
Boundary dimensions |
Basic load ratings |
Mass |
Limiting speeds |
||||||||
|
mm |
kN |
kg |
r/min |
|||||||||
|
d |
D |
T |
C |
B |
rmin |
r1min |
Ca |
Coa |
Grease |
oil |
||
|
234928 |
140 |
190 |
60 |
30 |
15 |
1.5 |
1 |
91.5 |
365 |
4.2 |
2000 |
2800 |
|
234428 |
210 |
84 |
42 |
21 |
2.1 |
0.6 |
145 |
525 |
8.75 |
1800 |
2600 |
|
|
234930 |
150 |
210 |
72 |
36 |
18 |
2 |
1 |
116 |
465 |
6.6 |
1800 |
2400 |
|
234430 |
225 |
90 |
45 |
22.5 |
2.1 |
0.6 |
172 |
620 |
10.7 |
1700 |
2400 |
|
|
234932 |
160 |
220 |
72 |
36 |
18 |
2 |
1 |
118 |
490 |
7 |
1700 |
2400 |
|
234432 |
240 |
96 |
48 |
24 |
2.1 |
0.6 |
185 |
680 |
13 |
1600 |
2200 |
|
|
234934 |
170 |
230 |
72 |
36 |
18 |
2 |
1 |
120 |
520 |
7.35 |
1600 |
2200 |
|
234434 |
260 |
108 |
54 |
27 |
2.1 |
0.6 |
218 |
810 |
17.7 |
1500 |
2000 |
|
|
234936 |
180 |
250 |
84 |
42 |
21 |
2 |
1 |
158 |
655 |
10.7 |
1500 |
2000 |
|
234436 |
280 |
120 |
60 |
30 |
2.1 |
0.6 |
281 |
1020 |
23.4 |
1400 |
1900 |
|
|
234938 |
190 |
260 |
84 |
42 |
21 |
2 |
1 |
161 |
695 |
11 |
1400 |
2000 |
|
234438 |
290 |
120 |
60 |
30 |
2.1 |
0.6 |
285 |
1060 |
24.4 |
1300 |
1800 |
|
|
234940 |
200 |
280 |
96 |
48 |
24 |
2 |
1 |
204 |
855 |
15.7 |
1300 |
1800 |
|
234440 |
310 |
132 |
66 |
33 |
2.1 |
0.6 |
315 |
1180 |
31.5 |
1200 |
1700 |
|
|
234944 |
220 |
300 |
96 |
48 |
24 |
2 |
1 |
210 |
930 |
17 |
1200 |
1700 |
|
234444 |
340 |
144 |
72 |
36 |
3 |
1 |
360 |
1390 |
41 |
1100 |
1500 |
|
|
234948 |
240 |
320 |
96 |
48 |
24 |
2 |
1 |
213 |
980 |
18.3 |
1100 |
1500 |
|
234448 |
360 |
144 |
72 |
36 |
3 |
1 |
360 |
1450 |
44 |
1000 |
1400 |
|
|
234952 |
260 |
360 |
120 |
60 |
30 |
2 |
1 |
315 |
1390 |
30 |
1000 |
1400 |
|
234452 |
400 |
164 |
82 |
41 |
3 |
1.5 |
440 |
1890 |
64.5 |
900 |
1300 |
|
|
234956 |
280 |
380 |
120 |
60 |
30 |
2 |
1 |
320 |
1470 |
33.5 |
900 |
1300 |
|
234456 |
420 |
164 |
82 |
41 |
3 |
1.5 |
440 |
1960 |
68 |
850 |
1200 |
|
|
234960 |
300 |
420 |
144 |
72 |
36 |
3 |
1 |
395 |
1810 |
53 |
850 |
1200 |
|
234964 |
320 |
440 |
144 |
72 |
36 |
3 |
1 |
405 |
1920 |
55.5 |
800 |
1100 |
|
234968 |
340 |
460 |
144 |
72 |
36 |
3 |
1.1 |
415 |
2020 |
58.5 |
750 |
1000 |
|
234972 |
360 |
480 |
144 |
72 |
36 |
3 |
1.1 |
420 |
2130 |
61.5 |
710 |
950 |
|
234976 |
380 |
520 |
164 |
82 |
41 |
4 |
1.5 |
485 |
2560 |
87.5 |
630 |
900 |
|
234980 |
400 |
540 |
164 |
82 |
41 |
4 |
1.5 |
495 |
2700 |
91.5 |
600 |
850 |
















