XSI140744N Slewing Bearing with Teeth 648x814x56mm Cross Roller Crane & Excavator Bearing
The XSI140744N Slewing Bearing with Teeth is a compact, high precision cross roller slewing bearing designed for crane systems, excavator parts, CNC machinery, and industrial automation equipment. With dimensions of 648x814x56mm, this toothed slewing bearing 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, excavator rotation platforms, and heavy-duty machinery applications.
This cross roller slewing bearing with teeth offers high rigidity, compact design, and stable performance, widely used in construction machinery, crane equipment, excavators, and automation systems.
- Toothed Slewing Design: Enables direct drive and efficient torque transmission.
- Cross Cylindrical Roller Structure: Provides high precision and smooth rotation.
- High Load Capacity: Supports combined radial, axial, and moment loads.
- Crane & Excavator Optimized: Designed for construction and lifting equipment.
- Compact Structure: Suitable for space-limited installations.
- Durable Construction: Heat-treated bearing steel for long service life.
| Parameter | Specification |
|---|---|
| Model | XSI140744N |
| Inner Diameter (ID) | 648 mm |
| Outer Diameter (OD) | 814 mm |
| Width (H) | 56 mm |
| Type | Slewing Bearing (With Teeth) |
| Structure | Crossed Cylindrical Rollers |
| Material | Bearing Steel |
| Accuracy Class | P5 / P4 optional |
| Preload | Custom |
| Application | Crane Systems, Excavators, Construction Machinery |
- Crane Systems – Smooth slewing and high load handling.
- Excavator Parts – Reliable rotation for digging and lifting operations.
- Construction Machinery – Stable performance under heavy-duty conditions.
- Industrial Equipment – Efficient rotary motion systems.
| 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 |
- Precision Manufacturing Expertise
- Stable Quality & Performance
- Flexible Customization Options
- Fast Delivery & Global Supply
Upgrade your equipment with XSI140744N Slewing Bearing with Teeth.
Contact GQZ Bearing today for pricing, samples, or technical consultation!
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