020.60.3550 Double-Row Step Bore Ball Slewing Bearings

020.60.3550 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 3272 mm
  • Outer Diameter (D) 3828 mm
  • Width(B) 226 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) kN
  • Static Load Rating (Cor) 21100 kN
  • Weight 3700 kg
Bearing Model
020.60.3550
Related Products
022.60.3550 024.60.3550
Bearing Type
Double-Row Step Bore Ball Slewing Bearings
Gear Type
No gear type
Main Dimensions
3272mm × 3828mm × 226mm
Double-Row Step Bore Ball Slewing Bearings No gear type Dimensional Diagram

Bolt Hole Diameter

D1 3738 mm
D2 3362 mm
dn1 dn2 45
dm1 dm2 M42
L 84 mm
n 56 mm

Structure dimensions

n1 8 mm
D1 mm
d1 mm
H1 214 mm
h 56 mm
Brand
WJY / OEM Available
Origin
Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
Precision Rating
P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
Material
  • GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
  • GCr15SiMn
  • GCr18Mo
  • G20Cr2Ni4A
Clearance
C3 (standard), customizable to C0/C2/C4/C5
Quality Standard
ISO 9001:2015 Certified

Double-Row Step Bore Ball Slewing Bearings (Model: 020.60.3550) are engineered for heavy-duty slewing applications. With a bore diameter of 3272mm, outer diameter of 3828mm, and width of 226mm, it features This double-row step bore design provides exceptional load distribution across two rows of balls, enabling high axial and radial load capacities while maintaining compact dimensions. The step bore configuration simplifies installation and alignment in complex machinery.. Static load capacity: 21100kN | Weight: 3700 kg | Gear type: No gear type. Suitable for large-scale marine equipment, steel mill turntables, and bridge bearings, it ensures reliable operation under heavy loads and harsh environmental conditions. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.

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

Bearing prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.