3R8-122N1A
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| Part Number | 3R8-122N1A |
Brand: LILY  |
Interchangeable With: ROTEK |
| System of Measurement | Inch |
| Series | 10000 Series |
| Gear | Internal Gear |
| Type | Roller |
| Bearing Type | Standard |
| Product Type | Slewing Bearing |
| Inside Diameter Of Inner Ring | 109.6" |
| Outside Diameter Of Outer Ring | 130.25" |
| Internal Diameter On Outer Ring | 119.45" |
| External Diameter On Inner Ring | 119.69" |
| Height Of Overall Bearing Assembly | 7.75" |
| Height Of Inner Ring | 7.12" |
| Height Of Outer Ring | 7.38" |
| Bolt Circle In Inner Ring | 115.5" |
| Bolt Circle In Outer Ring | 127.25" |
| Size Holes In Inner Ring | 1.59 |
| Size Holes In Outer Ring | 1.59 |
| Number Holes In Inner Ring | 60 |
| Number Holes In Outer Ring | 60 |
| Pitch Diameter Of Gear | 100.667" |
| Diametral Pitch | 1.5 |
| Number Of Gear Teeth | 166 |
| Max Gear Tooth Load Fz | 93900 lbs |
| Basic Static Load Rating(C0a) | 5858000 lbf |
| Basic Static Load Rating(C0r) | 708000 lbf |
| Moment Load Rating | 14485000 ft-lbf |
| Tooth Form | 20 Stub |
| Ring Material | 42CRMO or 50MN or 440C |
| Ball Material | Chrome Steel |
| Cage Material | Nylon or 300 Series Stainless Steel |
| Seal Material | NBR |
| RoHS | Compliant |
| Weight | 6810 lbs |
| Gear Hardness | 250-300 BHN |
| K | 0.63 |
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All other trademarks mentioned herein are used for the purpose of compatibility description and product identification only. Lily Bearing is not affiliated with, endorsed by, or sponsored by the holders of these trademarks.
Design Features of 3R8-122N1A Bearing
The 3R8-122N1A is designed with three raceways arranged in a cross pattern, allowing it to handle radial, axial, and tilting moments simultaneously. 3R8-122N1A inside diameter of inner ring is 109.6". Its outside diameter of outer ring is 130.25". This structure ensures high load capacity, stability, and precision, making it ideal for heavy-duty applications like cranes and heavy machinery.
What Benefits Can 3R8-122N1A Bearing Provide?
- High Load Capacity: It can handle axial, radial, and tilting moments all at once, making it ideal for heavy loads.
- Compact Design: It has a more compact and lighter design compared to other types of bearings, saving space in machinery.
- Precision and Stability: The cross roller structure helps with smooth and precise motion, improving stability during operation.
- Versatility: Suitable for various applications, including cranes, excavators, and robotics, due to its ability to support a wide range of forces.
- Durability: It has a long service life due to its high load-bearing capacity and stability under harsh conditions.
What Can 3R8-122N1A Bearing Be Used for?
- Cranes: For rotating the crane's boom.
- Excavators: To help the bucket rotate.
- Medical equipment: In machines like CT scanners.
- Wind turbines: For smooth turning of the blades.
- Robots: In robotic arms for precise rotation.
- Mining machines: For rotating heavy parts.
- Construction equipment: For rotating the machine body.
