Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7228 CD/P4A

7228 CD/P4A

Dimensions

d		140	mm
D		250	mm
B		42	mm
d₁		176.8	mm
d₂		176.8	mm
D₁		213.2	mm
r_1,2	min.	3	mm
r_3,4	min.	1.5	mm
a		47.3	mm

Abutment dimensions

d_a	min.	154	mm
d_b	min.	154	mm
D_a	max.	236	mm
D_b	max.	241	mm
r_a	max.	2.5	mm
r_b	max.	1.5	mm
d_n		184.8	mm

Calculation data

Basic dynamic load rating	C	221	kN
Basic static load rating	C₀	240	kN
Fatigue load limit	P_u	7.35	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		8500	r/min
Ball diameter	D_w	30.162	mm
Number of balls	z	18
Reference grease quantity	G_ref	83.931	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	850	N
Static axial stiffness, preload class A		163	N/µm
Preload class B	G_B	1700	N
Static axial stiffness, preload class B		220	N/µm
Preload class C	G_C	3400	N
Static axial stiffness, preload class C		305	N/µm
Preload class D	G_D	6800	N
Static axial stiffness, preload class D		437	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	15.2

Mass

Mass bearing

8.14

Model Number: 7228 CD/P4A
Inner Diameter：140mm Outer Diameter：250mm Width：42mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2024-12-13
Application:wall materials,sleep monitoring,hydraulic connector,Hydraulic Equipment,walking Food processing machinery and equipment,hardware,flexible processing,respirator,thread processing machine,nail products,diagnostic test paper
Similar models:7228 CD/P4A 7228 CD/HCP4A 7228 BM 7228 ACD/P4A 7228 BCBM 7228 ACD/HCP4A 7228 BGAM
BEARING POWER International Trading Co.,Ltd. specialize in 7228CD/P4A products，there is large inventory of SKF 7228 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7228 CD/P4A Which SKF 7228CD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
2304 M	20	52	21	Bearings, units and housings
231/530 CAK/W33	530	870	272	Bearings, units and housings
309-2ZNR	45	100	25	Bearings, units and housings
3315 A	75	160	68.3	Bearings, units and housings
6008 N	40	68	15	Bearings, units and housings
71918 CE/P4AH1	90	125	18	Bearings, units and housings
71928 ACD/HCP4AH1	140	190	24	Bearings, units and housings
AOHX 31/500 G	480	500	313	Bearings, units and housings
NCF 28/900 V	900	1090	112	Bearings, units and housings
NK 43/30	43	53	30	Bearings, units and housings
PWKRE 62.2RS	-	62	80	Bearings, units and housings
SILQG 16 ES	16	-	16	Bearings, units and housings

Purchase the SKF 7228 CD/P4A Please fill in the following

Hot number： 1125257 22230-2CS5K/VT143 29465 35x50x7 HMS5 V 6207/HR11TN D/W R4-2RS1 G 14x22x3 HJ 311 EC NU 318 ECM PRMF 303420 RNU 217 ECM SAF 1222 T SIJ 40 ES YAR 205-015-2F YET 205-014