Double Row Cylindrical Roller Bearings

NN3036/W33 - Double Row Cylindrical Roller Bearings

Manufactured by CHG Bearing, the NN3036/W33 is a precision Double Row Cylindrical Roller Bearings. Key dimensional parameters include a 180 mm bore diameter, a 280 mm outer diameter, and a 74 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part NumberNN3036/W33
BrandCHG®
Characteristics
Bearing TypeDouble Row Cylindrical Roller Bearing
Number of RowsDouble Row
Tolerance ClassP0
Dimensions
Bore Diameter (d)180 mm
Width (B)74 mm
Outer Diameter (D)280 mm
Bore Diameter Tolerance-0.025 – 0 mm
Outside Diameter Tolerance-0.035 – 0 mm
Width Tolerance-0.25 – 0 mm
Enveloping Circle Diameter Fw255 mm
Inner Ring Chamfer2.1 min mm
Outer Ring Chamfer2.1 min mm
Performance
Basic Dynamic Load Rating C (kN)575 kN
Basic Static Load Rating C0 (kN)982 kN
Material
Mass (kg)16.9 kg
Ring MaterialBearing Steel
Rolling Element MaterialBearing Steel
Cage MaterialBrass
Lubrication Groove Width12.2 mm
Lubrication Holes (qty × Ø mm)3 × Ø6
CAD Drawing and Dimensions for NN3036/W33 Double Row Cylindrical Roller Bearings NN3036/W33 280 mm 180 mm 74 mm 255 mm

Frequently Asked Questions about NN3036/W33 Double Row Cylindrical Roller Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

To extend the trouble-free lifespan of CHG Bearing NN3036/W33, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Every production batch of CHG Bearing NN3036/W33 Double Row Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
When fitting NN3036/W33 over a 180 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Beyond standard alloy steel, CHG Bearing can customize the NN3036/W33 Double Row Cylindrical Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
NN3036/W33 - Double Row Cylindrical Roller Bearings CAD Drawing NN3036/W33 280 mm 180 mm 74 mm 255 mm