618/1240X1 Deep Groove Ball Bearing

618/1240X1 Bearing Technical Specifications

Deep-Groove-Ball-Bearing
Deep Groove Ball Bearing
  • Bore Diameter(d) 1240mm
  • Outer Diameter (D) 1480mm
  • Width(B) 112mm
  • Dynamic Load Rating (Cr) 930kN
  • Static Load Rating (Cor) 2660kN
  • Weight 356kg

The 618/1240X1 618 Series Deep Groove Ball Bearing (Extra Thin-Wall) is engineered for high-speed and space-constrained applications. With dimensions of 1240mm bore diameter, 1480mm outer diameter, and 112mm width, this super giant-bore deep groove ball bearing delivers low-friction, high-speed performance in demanding industrial environments. It features a dynamic load rating of 930kN and static load rating of 2660kN, suitable for both radial and moderate axial load applications. Equipped with a Standard pressed steel cage, it ensures optimal rotational stability and extended service life under targeted operating conditions. This bearing includes X1 special design modification for enhanced adaptability to specific working conditions.

Ideal for use in: large precision machinery, wind turbine components, paper mill equipment, steel mill machinery, giant industrial fans, oversized conveyors, heavy construction equipment

Main Dimensions

1240mm × 1480mm × 112mm

ID 1240mm Inside diameter(I.D.)
OD 1480mm Outside diameter(O.D.)
B 112mm Width
Cr 930kN Radial dynamic load rating
Cor 2660kN Radial static load rating
Mass 356Kg Weight

Material

GCr15 Bearing Steel (Customizable materials: GCr15 Bearing Steel/GCr15SiMn/GCr18Mo/G20Cr2Ni4A)

Cage

Standard pressed steel cage ( customizable on demand in steel, brass, machined brass, etc.)

Precision Rating

P0 (Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)

Clearance

C3 increased radial clearance (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.