INA Cross Roller Crane Bearing XSI140944N Inner Gear Slewing Bearing 840x1014x56mm
The XSI140944N Inner Gear Slewing Bearing is a compact, high precision cross cylindrical roller bearing designed for crane machinery, rotary platforms, CNC systems, and industrial automation equipment. With dimensions of 840x1014x56mm, this slewing bearing with inner gear ensures efficient torque transmission, smooth rotation, and high load capacity.
Built with a cross cylindrical roller structure, it supports radial, axial, and moment loads simultaneously, making it ideal for crane slewing systems, turntable bearings, and heavy-duty machinery applications.
This inner gear cross roller slewing bearing offers high rigidity, compact design, and stable performance, widely used in crane equipment, construction machinery, CNC machine parts, and automation systems.
Key Features
- Inner Gear Design: Enables internal drive and compact transmission structure.
- Cross Cylindrical Roller Structure: Ensures high precision and smooth rotation.
- High Load Capacity: Supports radial, axial, and moment loads simultaneously.
- Crane Application Optimized: Suitable for slewing systems in lifting equipment.
- Compact & Rigid Structure: Ideal for limited installation space.
- Durable Construction: Heat-treated bearing steel for long service life.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | XSI140944N |
| Inner Diameter (ID) | 840 mm |
| Outer Diameter (OD) | 1014 mm |
| Width (H) | 56 mm |
| Type | Slewing Bearing (Inner Gear) |
| Structure | Crossed Cylindrical Rollers |
| Material | Bearing Steel |
| Accuracy Class | P5 / P4 optional |
| Preload | Custom |
| Application | Crane Machinery, Rotary Systems, CNC Equipment |
Applications
- Crane Machinery – Smooth slewing and reliable load handling.
- Rotary Platforms – Accurate positioning and rotation.
- CNC Systems – Precision motion control applications.
- Industrial Automation – Stable and efficient operation.
| INA | Weight (Kg) | Da | di | Di | da | La | Li | ni/na | A | B | C | D | Preload | do | m | z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XSI140414N | 31 | 484 | 325 | 415 | 411 | 460 | 375 | 24 | 0.04 | 0.04 | 0.06 | 0.06 | 0.01-0.03 | 495 | 5 | 99 |
| XSI140544N | 43 | 614 | 444 | 545 | 541 | 590 | 505 | 32 | 0.04 | 0.04 | 0.07 | 0.07 | 0.01-0.03 | 630 | 6 | 105 |
| XSI140644N | 50 | 714 | 546 | 645 | 641 | 690 | 605 | 36 | 0.05 | 0.05 | 0.08 | 0.08 | 0.01-0.04 | 732 | 6 | 122 |
| XSI140744N | 58 | 814 | 648 | 745 | 741 | 790 | 705 | 40 | 0.05 | 0.05 | 0.09 | 0.08 | 0.01-0.04 | 828 | 6 | 138 |
| XSI140844N | 69 | 914 | 736 | 845 | 841 | 890 | 805 | 40 | 0.06 | 0.06 | 0.09 | 0.09 | 0.01-0.04 | 936 | 8 | 117 |
| XSI140944N | 76 | 1014 | 840 | 945 | 941 | 990 | 905 | 44 | 0.06 | 0.06 | 0.11 | 0.09 | 0.01-0.05 | 1032 | 8 | 129 |
| XSI141094N | 91 | 1164 | 984 | 1095 | 1091 | 1140 | 1055 | 48 | 0.07 | 0.07 | 0.11 | 0.11 | 0.01-0.05 | 1184 | 8 | 148 |
- Geared Slewing Bearing Expertise
- High Precision Cross Roller Technology
- Stable Performance for Industrial Applications
- Customization & Global Delivery Support
Q1: Does XSI140944N feature an internal gear?
A1: Yes, it includes an inner gear for efficient internal drive systems.
Q2: Is it suitable for crane applications?
A2: Yes, it is designed for crane slewing and heavy-duty lifting systems.
Q3: Can this bearing be customized?
A3: Yes, we support customization for preload, accuracy class, and gear configuration.
Upgrade your crane system with XSI140944N Inner Gear Slewing Bearing.
Contact GQZ Bearing today for pricing, samples, or technical consultation!
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