71934X1B/DFYA3 Single Row Angular Contact Ball Bearings

71934X1B/DFYA3 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 170 mm
  • Outer Diameter (D) 229.5 mm
  • Width(B) 56 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 147 kN
  • Static Load Rating (Cor) 225 kN
  • Weight 7.04 kg
Bearing Model
71934X1B/DFYA3
Bearing Type
Single Row Angular Contact Ball Bearings
Main Dimensions
170mm × 229.5mm × 56mm
ID 170 mm Inside diameter(I.D.)
OD 229.5 mm Outside diameter(O.D.)
2B 56 mm Width
r12 2 mm Outer ring chamfer
r34 - mm Inner ring chamfer
Grease speed 3600 r/min Limiting speed (grease lubrication)
Oil speed 4800 r/min Limiting speed(oil lubrication)
Cr 147 kN Radial dynamic load rating
Cor 225 kN Radial static load rating
Mass 7.04 Kg Weight
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)
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
Quality Standard
ISO 9001:2015 Certified

Single Row Angular Contact Ball Bearings (Model: 71934X1B/DFYA3) 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 170mm, outer diameter of 229.5mm, and width of 56mm. With fillet radii of 2mm (r12) and -mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 147kN and static load capacity of 225kN. Suitable for high-speed applications, it has a limiting speed of 3600 r/min (grease lubrication) and 4800 r/min (oil lubrication), with a weight of 7.04 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.

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.