Single Row Angular Contact Ball Bearings 7328B/DT

7328B/DT

  • Bore Diameter(d) 140 mm
  • Outer Diameter(D) 300 mm
  • Width(B) 124 mm
  • Dynamic Load Rating(Cr) 447 kN
  • Static Load Rating(Cor) 616 kN
  • Weight 42.3 kg
Main Dimensions
140mm × 300mm × 124mm
Bearing Type
Single Row Angular Contact Ball Bearings
Model 7328B/DT
d 140 mm Inside Diameter(I.D.)
D 300 mm Outside Diameter(O.D.)
2B 124 mm Width
r12 4 mm
r34 1.5 mm
Cr 447 kN Dynamic Load Rating
Cor 616 kN Static Load Rating
Mass 42.3 Kg Weight
Grease 2800 r/min Limiting Speed (Grease Lubricated)
Oil 3800 r/min Limiting Speed(Oil Lubricated)

Single Row Angular Contact Ball Bearings (Model: 7328B/DT) with a standard contact angle of 40° are designed to handle combined radial and axial loads effectively. ideal for heavy axial loads and high stiffness requirements. The bearing has a bore diameter of 140mm, outer diameter of 300mm, and width of 124mm. With fillet radii of 4mm (r12) and 1.5mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 447kN and static load capacity of 616kN. Suitable for high-speed applications, it has a limiting speed of 2800 r/min (grease lubrication) and 3800 r/min (oil lubrication), with a weight of 42.3 kg. Ideal for precision machine tools, small to medium gearboxes, this bearing provides reliable performance in demanding industrial environments. Manufactured to strict quality standards, it delivers exceptional precision and durability under varying loads. 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.