Single-Direction Thrust Ball Bearings

**Introduction to NSK’s Single Direction Thrust Ball Bearings: Precision Motion and Control for Demanding Applications**

In the realm of precision motion and control, NSK stands as a global leader, delivering high-performance bearing solutions engineered for reliability, efficiency, and durability. Among its extensive portfolio, NSK’s **Single Direction Thrust Ball Bearings** excel in applications requiring robust axial load support with minimal friction, making them indispensable in industrial machinery, automotive systems, and precision equipment.

### **Technical Features and Design Excellence**
NSK’s Single Direction Thrust Ball Bearings are meticulously designed to handle unidirectional axial loads while maintaining smooth rotational performance. Key features include:
– **Optimized Raceway Geometry**: Precision-ground raceways and high-quality steel balls ensure uniform load distribution, reducing stress concentrations and extending service life.
– **Robust Cage Designs**: Available in pressed steel, machined brass, or polymer cages, these bearings minimize friction and wear while maintaining alignment under high-speed or high-load conditions.
– **Material Innovation**: Advanced steel alloys and heat treatment processes enhance hardness and fatigue resistance, ensuring consistent performance in harsh environments.
– **Sealing and Lubrication Options**: Customizable with shields, seals, or specialized lubricants to suit contamination-prone or high-temperature applications.

### **Performance Advantages**
NSK’s thrust ball bearings deliver measurable benefits for critical motion systems:
– **High Load Capacity**: Engineered to withstand significant axial loads without compromising rotational accuracy, ideal for heavy-duty presses, gearboxes, or lifting equipment.
– **Low Friction and Energy Efficiency**: Precision manufacturing reduces torque losses, contributing to energy savings in automotive transmissions or industrial pumps.
– **Long Service Life**: Superior materials and lubrication technologies minimize wear, reducing maintenance downtime in continuous-operation machinery.
– **Compact and Lightweight**: Space-saving designs enable integration into compact assemblies, such as robotics or aerospace actuators.

### **Typical Applications**
These bearings are widely deployed across industries where axial load management is critical:
– **Industrial Machinery**: Used in machine tool spindles, conveyor systems, and hydraulic pumps to ensure precise axial positioning.
– **Automotive Systems**: Found in clutch release mechanisms, steering columns, and transmission systems to handle dynamic thrust forces.
– **Precision Equipment**: Essential for medical devices, robotics, and optical instruments requiring smooth, backlash-free motion.

NSK’s Single Direction Thrust Ball Bearings exemplify the company’s commitment to innovation, combining cutting-edge engineering with rigorous quality standards. Whether in high-speed automation or rugged industrial environments, these bearings provide the reliability and precision demanded by modern motion control systems. By leveraging NSK’s expertise, engineers can optimize performance, reduce operational costs, and extend the lifespan of critical machinery.

For applications where axial load capacity and precision are non-negotiable, NSK’s thrust ball bearings deliver unmatched performance—proving why they remain the preferred choice for engineers worldwide.

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Designations Nominal Dimensions Basic Load Ratings Speeds
Limiting Speeds
d
mm
D
mm
T,T3
mm
T4
mm
r(min.)
mm
Ca
N
C0a
N
Grease
min-1
Oil (Oil-bath)
min-1
53312U
60
110
38.3
42
1.1
119000
263000
1600
2400
53412
60
130
54
1.5
202000
395000
1200
1800
51412
60
130
51
1.5
202000
395000
1200
1800
53412U
60
130
54
58
1.5
202000
395000
1200
1800
51113
65
90
18
1
42000
117000
2400
3800
51213
65
100
27
1
75500
189000
1900
2800
53213
65
100
28.7
1
75500
189000
1900
2800
53213U
65
100
28.7
32
1
75500
189000
1900
2800
51313
65
115
36
1.1
123000
282000
1500
2400
53313
65
115
39.4
1.1
123000
282000
1500
2400
53313U
65
115
39.4
43
1.1
123000
282000
1500
2400
53413
65
140
60.2
2
234000
495000
1100
1700
51413
65
140
56
2
234000
495000
1100
1700
53413U
65
140
60.2
65
2
234000
495000
1100
1700
51114
70
95
18
1
43500
127000
2400
3600
53214
70
105
28.8
1
74000
189000
1900
2800
51214
70
105
27
1
74000
189000
1900
2800
53214U
70
105
28.8
32
1
74000
189000
1900
2800
53314
70
125
44.2
1.1
137000
315000
1400
2000
51314
70
125
40
1.1
137000
315000
1400
2000
53314U
70
125
44.2
48
1.1
137000
315000
1400
2000
53414
70
150
63.6
2
252000
555000
1000
1500
51414
70
150
60
2
252000
555000
1000
1500
53414U
70
150
63.6
69
2
252000
555000
1000
1500