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7028 ACD/P4A interchange SKF 7028 ACD/P4A
7028 ACD/P4A cross reference SKF 7028 ACD/P4A
7028 ACD/P4A Equivalent bearing interchange guide：
Price：	enquiry
Model Number：	7028 ACD/P4A

D	210 mm
d	140 mm
B	33 mm
a	57.5 mm
Bore	5.512 Inch \| 140 Millimeter
Noun	Bearing
Width	1.299 Inch \| 33 Millimeter
UNSPSC	31171531
Preload	None
Ball - z	22
Category	Precision Ball Bearings
Size (mm)	210x140x33
Enclosure	Open
Inventory	0.0
Width (mm)	33
Flush Ground	No
Mass bearing	3.42 kg
d₂	161.6 mm
Product Group	B04270
d_n	166.3 mm
d_n	166.3 mm
D₁	188.4 mm
d₂	161.6 mm
d₁	161.6 mm
d₁	161.6 mm
Inch - Metric	Metric
D₁	188.4 mm
Cage Material	Phenolic
Raceway Style	1 Rib Outer Ring
Contact Angle	25 Degree
Keyword String	Ball Angular Contact
Other Features	Single Row \| Angular Contact \| High Capacity Basic Design
Bearing number	7028 ACD/P4A
Material - Ball	Steel
G_ref	45 cm3
Precision Class	ABEC 7 \| ISO P4
Rolling Element	Ball Bearing
Preload class D	856 N/micron
Preload class C	633 N/micron
Preload class B	477 N/micron
Preload class A	364 N/micron
Long Description	140MM Bore; 210MM Outside Diameter; 33MM Width; Open Enclosure; ABEC 7 \| ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
Manufacturer URL	http://www.skf.com
Outside Diameter	8.268 Inch \| 210 Millimeter
Number of balls z	22
Weight / Kilogram	0
Manufacturer Name	SKF
Bore Diameter (mm)	210
D_a max.	201 mm
d_b min.	149 mm
r_b max.	1 mm
r_a max.	2 mm
Number of Bearings	1 (Single)
D_b max.	205 mm
d_a min.	149 mm
Outer Diameter (mm)	140
D_a - max.	201 mm
Ball - D_w	22.225 mm
D_b - max.	205 mm
Calculation factor f	1.16
r_1,2 min.	2 mm
Minimum Buy Quantity	N/A
r_a - max.	2 mm
d_b - min.	149 mm
r_3,4 min.	1 mm
Calculation factor e	0.68
r_b - max.	1 mm
d_a - min.	149 mm
Calculation factor - e	0.68
Harmonized Tariff Code	8482.10.50.28
Calculation factor - f	1.16
r_1,2 - min.	2 mm
r_3,4 - min.	1 mm
Ball diameter D_w	22.225 mm
Basic dynamic load rating C	146 kN
Preload class B G_B	1800 N
Preload class D G_D	7200 N
Preload class A G_A	900 N
Basic dynamic load rating - C	146 kN
Preload class C G_C	3600 N
Preload class A - G_A	900 N
Preload class B - G_B	1800 N
Preload class C - G_C	3600 N
Preload class D - G_D	7200 N
Fatigue load limit P_u	5.1 kN
Calculation factor f₁	0.99
Calculation factor f_HC	1
Calculation factor f_2D	1.08
Calculation factor f_2C	1.05
Calculation factor f_2B	1.02
Calculation factor f_2A	1
Calculation factor - Y₁	0.92
Fatigue load limit - P_u	5.1 kN
Calculation factor - Y₂	1.41
Calculation factor - f₁	0.99
Calculation factor - X₂	0.67
Limiting speed for oil lubrication	8500 mm/min
Calculation factor - Y₀	0.76
Calculation factor - f_2A	1
Calculation factor - f_2B	1.02
Calculation factor - f_2C	1.05
Calculation factor - f_2D	1.08
Calculation factor - f_HC	1
Limiting speed for grease lubrication	5600 r/min
Basic static load rating C₀	156 kN
Static axial stiffness, preload class C	633 N/µm
Static axial stiffness, preload class A	364 N/µm
Static axial stiffness, preload class D	856 N/µm
Attainable speed for grease lubrication	5600 r/min
Static axial stiffness, preload class B	477 N/µm
Basic static load rating - C₀	156 kN
Attainable speed for oil-air lubrication	8500 r/min
Reference grease quantity G_ref	45 cm³
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