NN3076K Double Row Cylindrical Roller Bearings

NN3076K Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 380 mm
  • Outer Diameter (D) 560 mm
  • Width(B) 135 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1800 kN
  • Static Load Rating (Cor) 4100 kN
  • Weight 110 kg
Main Dimensions
380mm × 560mm × 135mm
ID 380 mm Inside diameter(I.D.)
OD 560 mm Outside diameter(O.D.)
B 135 mm Width
Cr 1800 kN Radial dynamic load rating
Cor 4100 kN Radial static load rating
Mass 110 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

NN Series Double Row Cylindrical Roller Bearing NN3076K is engineered for heavy-duty industrial applications with a bore range of 100-1500 mm. Two ribs on both inner rings and no rib on the outer ring, designed for extremely high radial loads. Enables bidirectional shaft movement, ideal for fixed ends in heavy-duty equipment. With 380 mm bore, 560 mm outer diameter, and 135 mm width, it supports 1800 kN dynamic load and 4100 kN static load ratings. It features special suffix: K. 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.