SKF 71921CD/HCP4A Angular contact ball bearings,SKF 71921 CD/HCP4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71921 CD/HCP4A

71921 CD/HCP4A

Dimensions
d 105mm
D 145mm
B 20mm
d1 117.3mm
d2 117.3mm
D1 132.7mm
r1,2min.1.1mm
r3,4min.0.6mm
a 26.8mm
Abutment dimensions
damin.111mm
dbmin.111mm
Damax.139mm
Dbmax.141mm
ramax.1mm
rbmax.0.6mm
dn 120.6mm
Calculation data
Basic dynamic load ratingC 61.8kN
Basic static load ratingC0 69.5kN
Fatigue load limitPu 2.6kN
Attainable speed for grease lubrication  10000r/min
Attainable speed for oil-air lubrication  16000r/min
Ball diameterDw 12.7mm
Number of ballsz 27 
Reference grease quantityGref 11.1cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 230N
Static axial stiffness, preload class A  122N/µm
Preload class BGB 460N
Static axial stiffness, preload class B  168N/µm
Preload class CGC 920N
Static axial stiffness, preload class C  239N/µm
Preload class DGD 1840N
Static axial stiffness, preload class D  350N/µm
Calculation factors
Calculation factorf 1.25 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.07 
Calculation factorf2C 1.12 
Calculation factorf2D 1.18 
Calculation factorfHC 1.04 
Calculation factorf0 16.4 
Mass
Mass bearing  0.7kg
Purchase the SKF 71921 CD/HCP4A Please fill in the following

Title:

Email:

Tel:

Content:

Verification code:

Hot number: 120 VL R 23144 CC/W33 401602 51136 M 594431 6324/C3VL2071 71905 CE/HCP4AL BT4B 331089 A/HA4 FSAF 1615 x 2.1/2 T NUP 224 ECP SAFS 23026 KA x 4.5/16 SAF 23030 KA x 5.1/4 SAFS 23028 KATLC x 4.13/16 SILA 50 ES-2RS W 044

Previous:71921 ACD/P4AL Bearings, units and housings ---- Next:71921 CD/HCP4AH1 Bearings, units and housings

Return to SKF bearing