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SKF 728 ACD/HCP4A Angular Contact Ball Bearing

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Brand:
Product Code:
728 ACD/HCP4A

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.


Product Documentation/Technical Datasheet

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Details:

Technical specification MetricImperial

DIMENSIONS

d 8 mm
D 24 mm
B 8 mm
d1 13.1 mm
d2 13.1 mm
D1 18.9 mm
r1,2min. 0.3 mm
r3,4min. 0.2 mm
a 7.8 mm

ABUTMENT DIMENSIONS

damin. 10.4 mm
dbmin. 10.4 mm
Damax. 21.6 mm
Dbmax. 22.2 mm
ramax. 0.3 mm
rbmax. 0.2 mm
dn 14.3 mm

CALCULATION DATA

Basic dynamic load ratingC 3.58 kN
Basic static load ratingC0 1.34 kN
Fatigue load limitPu 0.04 kN
Attainable speed for grease lubrication 75000 r/min
Attainable speed for oil-air lubrication 120000 r/min
Contact angle? 25 °
Ball diameterDw 4.762 mm
Number of ballsz 8
Reference grease quantityGref 0.228 cm³
PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)
Preload class AGA 22 N
Static axial stiffness, preload class A 31 N/µm
Preload class BGB 44 N
Static axial stiffness, preload class B 40 N/µm
Preload class CGC 88 N
Static axial stiffness, preload class C 53 N/µm
Preload class DGD 176 N
Static axial stiffness, preload class D 70 N/µm
CALCULATION FACTORS
Calculation factorf 1.02
Calculation factorf1 0.99
Calculation factorf2A 1
Calculation factorf2B 1.01
Calculation factorf2C 1.03
Calculation factorf2D 1.06
Calculation factorfHC 1.01
Calculation factore 0.68
Calculation factor (single, tandem)Y2 0.87
Calculation factor (single, tandem)Y0 0.38
Calculation factor (single, tandem)X2 0.41
Calculation factor (back-to-back, face-to-face)Y1 0.92
Calculation factor (back-to-back, face-to-face)Y2 1.41
Calculation factor (back-to-back, face-to-face)Y0 0.76
Calculation factor (back-to-back, face-to-face)X2 0.67

MASS

Mass bearing 0.015 kg

Angular Contact Ball Bearing