113.50.3150 Crossed Roller Slewing Bearing

113.50.3150 Bearing Technical Specifications

  • Bore Diameter(d) 2922mm
  • Outer Diameter (D) 3376mm
  • Width(B) 134mm
  • Dynamic Load Rating (Cr)
  • Static Load Rating (Cor) 13800kN
  • Weight 2150kg

Single Row Crossed Roller Slewing Bearing 113.50.3150 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 50.3150, this heavy-duty bearing has dimensions of 2922mm bore diameter, 3376mm 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. It delivers dynamic and static load ratings of kN and 13800kN respectively, making it ideal for heavy crane and lifting equipment applications requiring extreme combined load capacity.

Typical Applications: floating crane equipment, marine deck cranes, offshore platform lifting systems.

Main Dimensions

2922mm × 3376mm × 134mm

Single-Row Crossed Roller Slewing Bearings Internal gear type Dimensional Diagram

Bearing Model

Bolt Hole Diameter

D1 3286 mm
D2 3014 mm
dn1 dn2 45
dm1 dm2 M42
L 84 mm
n 56 mm

Structure dimensions

n1 8 mm
D1 3147 mm
d1 3153 mm
H1 122 mm
h 12 mm

Gear

b 110 mm Tooth width
m 110 Module
da 3476 mm Tooth tip diameter of internal gear ring
z 171 Number of teeth of internal gear

Material

GCr15 Premium Bearing Steel (hardened and precision ground raceways for crane applications) (Customizable materials: GCr15 Bearing Steel/GCr15SiMn/GCr18Mo/G20Cr2Ni4A)

Precision Rating

P6 (Industrial precision with sealing for marine cranes) (Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)

Clearance

Heavy-duty industrial clearance (C3 equivalent) for crane and lifting equipment (customizable on demand in C0/C2/C3/C4/C5 specifications)

Brand

WJY / OEM Available

Origin

Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)

Quality Standard

ISO 9001:2015 Certified

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.