Double Row Cylindrical Roller Bearings NN30/630

NN30/630

  • Bore Diameter(d) 630 mm
  • Outer Diameter(D) 920 mm
  • Width(B) 212 mm
  • Dynamic Load Rating(Cr) 4350 kN
  • Static Load Rating(Cor) 10600 kN
  • Weight 460 kg
Main Dimensions
630mm × 920mm × 212mm
Bearing Type
Double Row Cylindrical Roller Bearings
d 630 mm Bore Diameter
D 920 mm Outer Diameter
Cr 4350 kN Dynamic Load Rating
Cor 10600 kN Static Load Rating
Mass 460 Kg Mass

NN Series Double Row Cylindrical Roller Bearing NN30/630 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 630 mm bore, 920 mm outer diameter, and 212 mm width, it supports 4350 kN dynamic load and 10600 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.

Precision Rating
P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
Cage
Material
  • GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
  • GCr15SiMn
  • GCr18Mo
  • G20Cr2Ni4A
Clearance
C3 (standard), customizable to C0/C2/C4/C5
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 for all our products.
Pricing Information
Bearings prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.