SKF 7038CD/P4A Angular contact ball bearings,SKF 7038 CD/P4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7038 CD/P4A

7038 CD/P4A

Dimensions
d 190mm
D 290mm
B 46mm
d1 221.8mm
d2 221.8mm
D1 258.2mm
r1,2min.2.1mm
r3,4min.1.1mm
a 55.3mm
Abutment dimensions
damin.201mm
dbmin.201mm
Damax.279mm
Dbmax.284mm
ramax.2mm
rbmax.1mm
dn 229.7mm
Calculation data
Basic dynamic load ratingC 247kN
Basic static load ratingC0 305kN
Fatigue load limitPu 8.3kN
Attainable speed for grease lubrication  4800r/min
Attainable speed for oil-air lubrication  7000r/min
Ball diameterDw 30.162mm
Number of ballsz 22 
Reference grease quantityGref 114cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 950N
Static axial stiffness, preload class A  196N/µm
Preload class BGB 1900N
Static axial stiffness, preload class B  266N/µm
Preload class CGC 3800N
Static axial stiffness, preload class C  370N/µm
Preload class DGD 7600N
Static axial stiffness, preload class D  532N/µm
Calculation factors
Calculation factorf 1.14 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorf2D 1.09 
Calculation factorfHC 1 
Calculation factorf0 15.9 
Mass
Mass bearing  9.51kg
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Hot number: 40x58x7 HMSA10 V 417503 6209/HR22Q2 71911 CE/HCP4AL 7215 ACD/HCP4A IR 15x20x23 K 60x68x20 NCF 3096 CV NU 232 ECML PCM 105110115 E SAF 22622 x 3.11/16 T SAFS 22224 SHT 70 SY 25 TF/VA201 SYE 2 3/4 N-118

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