N 203 ECPH

N type single row cylindrical roller bearings

Single row cylindrical roller bearings are designed for applications subject to heavy radial loads and high speeds. The N-type bearings have integral flanges on both sides of the inner ring and no flanges on the outer ring, allowing for bi-directional axial displacement. An important feature is the separable design, which facilitates mounting, and the individual parts of the bearing are interchangeable.

  • High radial load carrying capacity
  • Low friction
  • Long service life
  • Can withstand bi-directional axial displacement
  • Separable design

+86 13817962999

Overview
Technical Parameters

Overview

Skim Through

Size

Inner Diameter17.0mm
Outer Diameter40.0mm
Width12.0mm

Performance

Basic rated dynamic load20.0kN
Basic rated static load14.3kN
Reference speed20000.0r/min
Limiting speed22000.0r/min
JOJI Performance Class JOJI

Properties

Bearing parts Complete set of bearings
Axial displacement capacity In both directions
Number of columns 1
Locating feature, bearing outer ring None
Hole type Cylindrical bore
Cage Non-metallic
Number of flanges, outer ring 0
Number of retaining edges, inner ring 2
Loop flange no
Radial clearance CN
Tolerance class Normal
Coating Without
Sealing Without
Lubrication without
Relubrication function without

Logistics

Net weight0.066kg
UNSPSC Code 31171505

Technical Parameters

Technical Parameters

Size

d17.0mm Hole diameter
D40.0mm Outer diameter
B12.0mm Width
d1 ≈25.0mm Diameter of inner ring retaining edge
E35.1mm Outer ring raceway diameter
r1,2 min.0.6mm Chamfer size
r3,4 min.0.3mm Chamfer size
s1.0mm Allowable axial displacement", "qualifier" : "max.

Shoulder size

da min.20.7mm Spacer diameter
max.33.0mm max.33.0mm Spacer Diameter
Da min.37.0mm Bearing housing shoulder diameter
Da max.37.1mm Bearing seat shoulder diameter
ra max.0.6mm Radius of rounded corners
rb max.0.3mm Rounding radius

Data Calculation

JOJI Performance Class JOJI
Basic dynamic load rating C20.0kN
Basic static load ratingC014.3kN
Fatigue Load LimitPu1.73kN
Reference speed20000.0r/min
Limit speed22000.0r/min
Minimum load factorkr0.12
Limit value e0.2
Calculation coefficient Y0.6

Copyright © JOJI. All Rights Reserved. Website Maintenance Registration Number: Su ICP No. 2024128229-1