INA NKIB5903-XL bearings
INA needle roller/angular contact ball bearings NKIB, double direction axial component


INA NKIB5903-XL
Bore diameter
17.000 mm
Outside diameter
30.000 mm
Total width
20.000 mm
Cr
12400 N
C0r
14600 N
Ca
3150 N
C0a
4900 N
Limiting speed
20600 r/min
Net weight
55.58 g
Measurement system
Metric
Bearing material
Steel
Rolling material
Steel
Tolerance class
Normal (PN)
Lubricant in bearing
None
Relubrication feature
With

In stock


Technical specification for INA NKIB5903-XL

NKIB5903-XL INA
Part NumberNKIB5903-XL
Description Needle roller/angular contact ball bearings NKIB
Axial load capabilityDouble direction
Main Dimensions & Performance Data
d 17 mm Bore Diameter
D 30 mm Outside diameter
B 20 mm Width
Cr 12400 N Basic dynamic load rating, radial
C0r 14600 N Basic static load rating, radial
Ca 3150 N Basic dynamic load rating, axial
C0a 4900 N Basic static load rating, axial
Cur 2650 N Fatigue load limit, radial
Cua 222 N Fatigue load limit, axial
nG 20600 1/min Limiting speed
nr 15000 1/min Reference speed
m 55.58 g Weight
Dimensions for NKIB5903-XL
F 22 mm Raceway diameter inner ring
C 18 mm Width, outer ring
rmin 0.3 mm Minimum chamfer dimension
INA needle roller/angular contact ball bearings NKIB

INA NKIB5903-XL is a needle Roller / Angular Contact Ball Bearing from the NKIB series, designed to accommodate heavy radial loads and light axial loads in both directions. By combining a radial needle roller bearing with a double-direction angular contact ball bearing arrangement, the NKIB5903-XL offers an excellent balance of load capacity, speed capability, and compact design.

With its low cross-sectional height, this bearing is particularly suitable for applications where conventional locating bearing arrangements require excessive installation space. In addition, the bearing can operate at high speeds while maintaining reliable performance and precise shaft guidance.

Product Specifications

  • Brand: INA
  • Model: NKIB5903-XL
  • Bearing Type: Needle Roller / Angular Contact Ball Bearing
  • Series: NKIB
  • Axial Component: Double Direction
  • Bore Diameter (ID): 17 mm
  • Outside Diameter (OD): 30 mm
  • Total Width (B): 20 mm

Key Features

  • Accommodate both radial and axial loads
  • High load carrying capacity
  • High-speed capability
  • Low cross section
  • Separable design

INA NKIB5903-XL bearing offers a compact and efficient solution for applications requiring the accommodation of radial loads and bidirectional axial loads. Its combination of high load capacity, high-speed performance, low cross-sectional height, and separable design makes it an excellent choice for modern industrial machinery where reliability and space efficiency are essential.

Request a Quote for INA NKIB5903-XL

We supply INA NKIB5903-XL Needle Roller / Angular Contact Ball Bearings at competitive prices with worldwide shipping and professional technical support.

Contact us today for the latest INA NKIB5903-XL price, stock availability, lead time, and shipping options. We welcome inquiries from OEM manufacturers, distributors, maintenance companies, and industrial buyers worldwide.

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