NB4056X3M Single Row Cylindrical Roller Bearings

NB4056X3M Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 280 mm
  • Outer Diameter (D) 440 mm
  • Width(B) 135 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1880 kN
  • Static Load Rating (Cor) 3400 kN
  • Weight 75.4 kg
Main Dimensions
280mm × 440mm × 135mm
ID 280 mm Inside diameter(I.D.)
OD 440 mm Outside diameter(O.D.)
B 135 mm Width
Cr 1880 kN Radial dynamic load rating
Cor 3400 kN Radial static load rating
Mass 75.4 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

NB Series Single Row Cylindrical Roller Bearing NB4056X3M. Featuring standard single-row cylindrical design, it supports 1880 kN dynamic and 3400 kN static loads. General radial load applications, suitable for medium-sized industrial equipment such as motors, fans, and pumps Specifically designed for special design features. 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.