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NTN 81112T2 is a single-direction thrust cylindrical roller bearing with a 60 mm bore and straight bore. It features a polyamide cage (T2 suffix) for lightweight, low-noise operation. Designed for axial loads in gearboxes, machine tools, and industrial drives.
MODEL 81112T2
$227.23 Each
Prices are subject to change
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Returnable:No
Bore Type
Round
Bore type
Round
Cage Material
Nylon
Cage material
Nylon
Configuration
One
Dc
3.3465 in
Dc1
2.3622 in
Dw (0/-0.010)
0.2953 in
Dynamic Load Rating
15500 lbf
Dynamic load rating
15500 lbf
Ea
3.1535 in
Eb
2.5079 in
I.D.
60 mm
Limiting Speed - Grease
830 RPM
Limiting speed - grease
830 RPM
Limiting Speed - Oil
3300 RPM
Limiting speed - oil
3300 RPM
Material
High carbon chrome steel
O.D.
85 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
Static Load Rating
48500 lbf
Static load rating
48500 lbf
Type
Cage and Roller Assembly
Width
0.6693
Thrust Needle Roller and Cage Assembly - Type K811, K812 The NTN Thrust Needle Roller and Cage Assembly is an expertly engineered component designed for optimal load distribution and enhanced performance in various applications. This assembly is specifically crafted to accommodate axial loads while minimizing friction, making it ideal for high-speed operations in automotive and industrial machinery.
Key Features
| Precision Design | The assembly features a needle roller configuration that allows for efficient load-bearing capabilities and reduced friction, ensuring smooth operation. |
|---|---|
| Durable Construction | Manufactured from high-quality steel, the rollers and cage provide exceptional wear resistance and longevity under demanding conditions. |
| Compact Dimensions | Designed for space-constrained applications, the K811 and K812 types offer an efficient solution without compromising on performance. |
| High Load Capacity | Capable of withstanding substantial axial loads, this assembly is suitable for applications requiring reliable support in high-load scenarios. |
| Standardized Sizing | Catalog number 81112T2 provides compatibility with a variety of systems, ensuring easy integration and replacement. |
Applications
| Automotive Industry | Ideal for use in automotive transmissions, differential assemblies, and other components where axial support is critical. |
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| Industrial Machinery | Perfect for applications in conveyor systems, construction equipment, and other heavy machinery that necessitate durable thrust bearings. |
| Compatibility | This assembly is designed to work seamlessly with existing NTN products and is suitable for integration into various engineering designs. |
Benefits
| Enhanced Efficiency | The unique roller design significantly reduces friction, contributing to improved energy efficiency and lower operational costs. |
|---|---|
| Reliability | NTN's commitment to quality ensures that the Thrust Needle Roller and Cage Assembly maintains consistent performance under rigorous conditions. |
| Long-lasting Performance | The robust construction and materials used in this assembly lead to extended service life, reducing the need for frequent replacements. |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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