NN3021K/C9 Double Row Cylindrical Roller Bearings

NN3021K/C9 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 105 mm
  • Outer Diameter (D) 160 mm
  • Width(B) 41 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 192 kN
  • Static Load Rating (Cor) 350 kN
  • Weight 2.93 kg
Main Dimensions
105mm × 160mm × 41mm
ID 105 mm Inside diameter(I.D.)
OD 160 mm Outside diameter(O.D.)
B 41 mm Width
Cr 192 kN Radial dynamic load rating
Cor 350 kN Radial static load rating
Mass 2.93 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 NN3021K/C9 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 105 mm bore, 160 mm outer diameter, and 41 mm width, it supports 192 kN dynamic load and 350 kN static load ratings. It features special suffix: K and special suffix: C9. 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.