**Introduction to NSK Thrust Cylindrical Roller Bearings: Precision, Performance, and Reliability**
In the demanding world of industrial machinery, automotive systems, and precision equipment, the ability to handle high axial loads with minimal friction and maximum reliability is critical. NSK’s **Thrust Cylindrical Roller Bearings** are engineered to meet these challenges, delivering exceptional performance in applications where heavy axial loads, high rigidity, and precise motion control are essential. As part of NSK’s comprehensive portfolio of **precision motion and control technologies**, these bearings combine advanced design, superior materials, and exacting manufacturing standards to ensure durability and efficiency in even the most rigorous operating conditions.
### **Technical Features and Design Excellence**
NSK’s Thrust Cylindrical Roller Bearings are designed with a robust construction that incorporates precision-ground cylindrical rollers arranged in a cage between hardened steel washers (shaft and housing washers). This configuration ensures optimal load distribution, minimizing stress concentrations and extending service life. Key technical features include:
– **High Axial Load Capacity**: The linear contact between rollers and raceways allows these bearings to support exceptionally high axial loads, making them ideal for heavy-duty applications.
– **Rigidity and Precision**: Tight tolerances and high-quality materials ensure minimal deformation under load, maintaining accuracy in precision equipment.
– **Low Friction and Heat Generation**: Optimized roller profiles and advanced cage designs reduce friction, enhancing efficiency and reducing energy consumption.
– **Robust Cage Options**: Depending on the application, cages are available in pressed steel, machined brass, or polymer materials, offering stability at high speeds or in corrosive environments.
### **Performance Advantages**
NSK’s thrust cylindrical roller bearings outperform conventional thrust bearings in several critical areas:
– **Extended Service Life**: Advanced heat treatment processes and superior surface finishes enhance wear resistance, reducing maintenance requirements.
– **High-Speed Capability**: Precision balancing and optimized lubrication options allow stable operation at elevated speeds.
– **Versatility**: Available in single-direction and double-direction configurations, these bearings can be customized for specific load and alignment requirements.
### **Typical Applications**
These bearings are widely used across industries where axial load support is paramount, including:
– **Industrial Machinery**: Heavy presses, machine tool spindles, and gearboxes.
– **Automotive Systems**: Transmissions, clutch assemblies, and electric vehicle drivetrains.
– **Precision Equipment**: Robotics, aerospace actuators, and medical imaging devices.
By integrating NSK’s Thrust Cylindrical Roller Bearings into your systems, you benefit from a proven solution that enhances performance, reduces downtime, and improves overall operational efficiency. Whether in high-load industrial environments or precision-critical applications, NSK’s engineering expertise ensures reliable motion control and long-term durability.
Designations | Nominal Dimensions | Basic Load Ratings | Speeds Limiting Speeds |
|||||
---|---|---|---|---|---|---|---|---|
d mm |
D mm |
T,T3 mm |
r (min.) mm |
Ca N |
C0a N |
Grease min-1 |
Oil (Oil-bath) min-1 |
|
220 |
300 |
63 |
2 |
770000 |
3100000 |
340 |
1000 |
|
240 |
300 |
45 |
1.5 |
435000 |
2160000 |
400 |
1200 |
|
240 |
340 |
78 |
2.1 |
965000 |
4100000 |
280 |
850 |
|
260 |
320 |
45 |
1.5 |
460000 |
2350000 |
400 |
1200 |
|
260 |
360 |
79 |
2.1 |
995000 |
4350000 |
280 |
850 |
|
280 |
350 |
53 |
1.5 |
545000 |
2800000 |
340 |
1000 |
|
280 |
380 |
80 |
2.1 |
1050000 |
4750000 |
260 |
800 |
|
300 |
380 |
62 |
2 |
795000 |
4000000 |
300 |
900 |
|
300 |
420 |
95 |
3 |
1390000 |
6250000 |
220 |
670 |
|
320 |
400 |
63 |
2 |
820000 |
4250000 |
300 |
900 |
|
180 |
360 |
109 |
5 |
1640000 |
6200000 |
240 |
710 |
|
320 |
440 |
95 |
3 |
1420000 |
6550000 |
220 |
670 |
|
190 |
270 |
62 |
3 |
705000 |
2630000 |
360 |
1100 |
|
190 |
320 |
78 |
4 |
1080000 |
4500000 |
300 |
900 |
|
200 |
250 |
37 |
1.1 |
365000 |
1690000 |
500 |
1500 |
|
200 |
340 |
85 |
4 |
1180000 |
5150000 |
280 |
800 |
|
220 |
270 |
37 |
1.1 |
385000 |
1860000 |
480 |
1500 |
|
75 |
135 |
36 |
1.5 |
209000 |
735000 |
710 |
2200 |
|
140 |
200 |
46 |
2 |
285000 |
1120000 |
500 |
1500 |
|
80 |
115 |
28 |
1 |
120000 |
420000 |
900 |
2600 |