Four Point Angular Contact Ball Bearings QJ1068X3

QJ1068X3

  • Bore Diameter(d) 500 mm
  • Outer Diameter(D) 80 mm
  • Width(B) 5 mm
  • Dynamic Load Rating(Cr) 705 kN
  • Static Load Rating(Cor) 600 kN
  • Weight kg
Main Dimensions
500mm × 80mm × 5mm
Bearing Type
Four Point Angular Contact Ball Bearings
Model QJ1068X3
Old Code 340
d 500 mm Inside Diameter(I.D.)
D 80 mm Outside Diameter(O.D.)
B 5 mm Width
rsmin 404 mm
Cr 705 kN Dynamic Load Rating
Cor 600 kN Static Load Rating
Mass Kg Weight
Grease 800 r/min Limiting Speed (Grease Lubricated)
Oil 380 r/min Limiting Speed(Oil Lubricated)
damin 460 mm
Damax 4 mm
ramax 53.6 mm

Four Point Angular Contact Ball Bearings (Model: QJ1068X3 / 340) are designed to handle combined radial and axial loads in both directions, providing high rigidity and precision. The bearing has a bore diameter of 500mm, outer diameter of 80mm, and a width of 5mm. The minimum fillet radius is 404mm. It offers a dynamic load capacity of 705kN and a static load capacity of 600kN. With a limiting speed of 800 r/min for grease lubrication and 380 r/min for oil lubrication, and a weight of kg, it suits various industrial setups. The mounting dimensions include a minimum inner ring diameter of 460mm, maximum outer ring diameter of 4mm, and maximum fillet radius of 53.6mm. Ideal for textile machinery, medium-duty industrial transmission systems, this bearing ensures reliable operation in different machinery. Manufactured to high-quality standards, it delivers exceptional precision and durability under varying loads, supporting both radial and bidirectional axial load requirements. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.

Precision Rating
P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
Cage
Steel cage
Material
  • GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
  • GCr15SiMn
  • GCr18Mo
  • G20Cr2Ni4A
Clearance
C3 (standard), customizable to C0/C2/C4/C5
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 for all our products.
Pricing Information
Bearings prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.