113.50.3550 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 3322mm × 3776mm × 134mm
- Dynamic Load (Cr) kN
- Static Load (Cor) 15700 kN
- Weight 2470 kg
Bearing Type
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 | 3876 mm | Tooth tip diameter of internal gear ring |
| z | 191 | Number of teeth of internal gear |
Material
GCr15 Premium Bearing Steel (hardened and precision ground raceways for crane applications) (Customizable: GCr15 / GCr15SiMn / GCr18Mo / G20Cr2Ni4A)
Cage
Integral crossed roller separator blocks with integrated sealing for marine crane use (Customizable: Steel / Brass / Machined Brass)
Precision Rating
P6 (Industrial precision with sealing for marine cranes) (P0 / P6 / P5 / P4 available)
Clearance
Heavy-duty industrial clearance (C3 equivalent) for crane and lifting equipment (C0 / C2 / C3 / C4 / C5 available)
Brand
WJY / OEM Available
Origin
Wafangdian, China (30+ years bearing manufacturing hub)
Quality Standard
OEM & Customization
Custom materials, cages, precision & clearance available.
Product Description
Single Row Crossed Roller Slewing Bearing 113.50.3550 is part of the 113 Series (Internal gear type). Engineered for heavy industrial applications, it features a compact single row design with crossed cylindrical rollers arranged at 90° angles designed to handle simultaneous radial, axial, and moment loads with high precision and rigidity. The internal gear teeth with integrated sealing system enables reliable heavy-load drive integration for large-scale motion control systems.
With specification code 50.3550, this heavy-duty bearing has dimensions of 3322mm bore diameter, 3776mm outer diameter, and 134mm width. As a extra large heavy-duty slewing bearing, it is manufactured from premium grade GCr15 bearing steel with precision-ground raceways, ensuring exceptional durability and long service life in harsh industrial environments.
Key Features: Sealed contamination protection, Internal gear advantages, Extended service life, Low maintenance.
Typical Applications: floating crane equipment, marine deck cranes, offshore platform lifting systems.
Delivery & Service
Delivery Time
In-stock: 3–5 days; OEM/ODM: 20–35 days.
Shipping Methods
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Pricing Information
Prices vary by precision & material. Please submit an inquiry for best quote.