112.50.3550 Bearing Technical Specifications
-
- Bore Diameter(d) 3322mm
- Outer Diameter (D) 3776mm
- Width(B) 134mm
-
- Dynamic Load Rating (Cr)
- Static Load Rating (Cor) 15700kN
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- Weight 2470kg
Single-Row Crossed Roller Slewing Bearings (Model: 112.50.3550) are engineered for high rigidity and precision in rotational applications. With a bore diameter of 3322mm, outer diameter of 3776mm, and width of 134mm, this bearing provides stable load support. It offers a static load capacity of 15700kN and weighs 2470 kg. Gear type: External gear type (suitable for super large-scale applications (e.g., port cranes, steelmaking equipment)). Ideal for machinery requiring precise slewing motion, it ensures smooth rotation and reliable performance under heavy loads. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Bearing Type
Main Dimensions
3322mm × 3776mm × 134mm

Bearing Model
Bolt Hole Diameter
| D1 | 3686 mm |
|---|---|
| D2 | 3414 mm |
| dn1 dn2 | 45 |
| dm1 dm2 | M42 |
| L | 84 mm |
| n | 56 mm |
Structure dimensions
| n1 | 8 mm |
|---|---|
| D1 | 3547 mm |
| d1 | 3553 mm |
| H1 | 122 mm |
| h | 12 mm |
Gear
| b | 110 mm | Tooth width |
|---|---|---|
| m | 110 | Module |
| da | 3220.8 mm | Tooth tip diameter of external gear ring |
| z | 147 | Number of teeth of external gear |
Brand
WJY / OEM Available
Origin
Quality Standard
Delivery Time
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
Shipping Methods
Ocean Freight/Land Transport
Warranty
We provide 12-month warranty, extendable to 18 months via authorized JinYu distributors.
Pricing Information
Bearings prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.