NN3021 Cylindrical Roller Bearing

NN3021 Bearing Technical Specifications

  • Bore Diameter(d) 105mm
  • Outer Diameter (D) 160mm
  • Width(B) 41mm
  • Dynamic Load Rating (Cr) 192kN
  • Static Load Rating (Cor) 350kN
  • Weight 2.94kg

NN Series Double Row Cylindrical Roller Bearing NN3021 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. 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.

Main Dimensions

105mm × 160mm × 41mm

ID 105mm Inside diameter(I.D.)
OD 160mm Outside diameter(O.D.)
B 41mm Width
Cr 192kN Radial dynamic load rating
Cor 350kN Radial static load rating
Mass 2.94Kg Weight

Material

(Customizable materials: GCr15 Bearing Steel/GCr15SiMn/GCr18Mo/G20Cr2Ni4A)

Cage

( customizable on demand in steel, brass, machined brass, etc.)

Precision Rating

(Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)

Clearance

(customizable on demand in C0/C2/C3/C4/C5 specifications)

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, extendable to 18 months via authorized JinYu distributors.

Pricing Information

Bearings prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.