113.50.3550 Bearing Technical Specifications

- Dimensions
-
- Bore Diameter(d) 3322 mm
- Outer Diameter (D) 3776 mm
- Width(B) 134 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) kN
- Static Load Rating (Cor) 15700 kN
-
- Weight 2470 kg
- Bearing Model
- 113.50.3550
- Bearing Type
- Single-Row Crossed Roller Slewing Bearings
- Gear Type
- Internal gear type
- Main Dimensions
- 3322mm × 3776mm × 134mm

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 |
- 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
Single-Row Crossed Roller Slewing Bearings (Model: 113.50.3550) 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: Internal 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.
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.