NN30/630 Cylindrical Roller Bearing

NN30/630 Bearing Technical Specifications

  • Bore Diameter(d) 630mm
  • Outer Diameter (D) 920mm
  • Width(B) 212mm
  • Dynamic Load Rating (Cr) 4350kN
  • Static Load Rating (Cor) 10600kN
  • Weight 460kg

The NN30/630 NN Series Double Row Cylindrical Roller Bearing is designed for very high radial load precision applications. With dimensions of 630mm bore diameter, 920mm outer diameter, and 212mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 4350kN and static load rating of 10600kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements.

Commonly used in: machine tool spindlesprecision equipmentindustrial gearboxesrolling millslarge industrial machinery

Main Dimensions

630mm × 920mm × 212mm

ID 630mm Inside diameter(I.D.)
OD 920mm Outside diameter(O.D.)
B 212mm Width
Cr 4350kN Radial dynamic load rating
Cor 10600kN Radial static load rating
Mass 460Kg Weight

Material

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

Cage

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

Precision Rating

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

Clearance

C3 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.