71900 ACD/HCP4ADFA single row angular contact ball bearings
2024-01-24
service content：
71900 ACD/HC roller beari ese ball bea
71900 ACD/HCP4ADFA
Two matched ultra-precision, high load capacity, D-design single row angular contact ball bearings
Two ultra-precision, high-capacity, D-design matched single-row angular contact ball bearings available in a variety of configurations. Designed for high load carrying capacity and higher speed operating conditions, it can withstand higher loads than high-speed bearings of the same SKF B and E design.
Dimensions - 71900 ACD/HCP4ADFA
size
d :10 mm Aperture
D :22 mm Outer diameter
B :12 mm width
d 2 :14 mm Inner ring flange diameter (small end face)
D 1 :18 mm Outer ring flange diameter (large end face)
r 1.2 :min.0.3 mm Chamfer size
Shoulder Dimensions
shoulder size
db :min.12 mm Shaft shoulder diameter
Yes _:max.20 mm Bearing seat shoulder diameter
ra :max.0.3 mm corner radius
dn :14.8 mm Injector position
Data calculation
Basic dynamic load rating C :3 900 N
Basic static load rating C 0 :2 120 N
Fatigue load limits Pu :67 N
Attainable speeds :Contact SKF for the attainable speeds
Contact angle a :25 °
Ball diameter Dw :3.175 mm
Number of columns i :2
Number of steel balls (per bearing) z:12
Reference grease quantity (per bearing) Strong _ :0.12 cm³
PRELOAD AND STIFFNESS (BACK-TO-BACK CONFIGURATION, FACE-TO-FACE CONFIGURATION)
Preload class :A
preload G :15 N
Preloaded axial stiffness (two bearings configured back-to-back or face-to-face) :32 N/µm
CALCULATION COEFFICIENT
Correction factors depend on bearing series and size f :1.03
Correction factor depends on contact angle f 1 :0.98
Preload A-level correction coefficient, f 2A :1
Correction factors for hybrid ceramic bearings fHC :1.04
Axial load factor (back-to-back or face-to-face configuration) Y 1 :0.92
Axial load factor (back-to-back or face-to-face configuration) Y2 _ :1.41
Axial load factor (back-to-back or face-to-face configuration) Y 0 ：0.76
Radial load factor (back-to-back or face-to-face configuration) X 1 :1
Radial load factor (back-to-back or face-to-face configuration) X 2 :0.67
Radial load factor (back-to-back or face-to-face configuration) X 0 :1
weight
weight :0.018 kg
