NNU4020/YA8 Double Row Cylindrical Roller Bearings

NNU4020/YA8 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 100 mm
  • Outer Diameter (D) 150 mm
  • Width(B) 50 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 168 kN
  • Static Load Rating (Cor) 292 kN
  • Weight 3.11 kg
Main Dimensions
100mm × 150mm × 50mm
ID 100 mm Inside diameter(I.D.)
OD 150 mm Outside diameter(O.D.)
B 50 mm Width
Cr 168 kN Radial dynamic load rating
Cor 292 kN Radial static load rating
Mass 3.11 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
The default cage is stamped steel; Steel, Brass, and Machined Brass cages are optional, with other types not enumerated here.
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

NNU Series Double Row Cylindrical Roller Bearing NNU4020/YA8 is engineered for heavy-duty industrial applications with a bore range of 100-1500 mm. Two ribs on both outer rings and no rib on the inner ring, allowing bidirectional shaft movement. Outer ring is easily detachable for simplified maintenance. With 100 mm bore, 150 mm outer diameter, and 50 mm width, it supports 168 kN dynamic load and 292 kN static load ratings. It features special suffix: YA8. Ideal for rolling mills, gearboxes, and large rotating machinery requiring high radial stiffness and durability. 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.