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7211 ACD/HCP4A interchange SKF 7211 ACD/HCP4A
7211 ACD/HCP4A cross reference SKF 7211 ACD/HCP4A
7211 ACD/HCP4A Equivalent bearing interchange guide：
Price：	enquiry
Model Number：	7211 ACD/HCP4A

a	28.7 mm
d	55 mm
D	100 mm
B	21 mm
Bore	2.165 Inch \| 55 Millimeter
Noun	Bearing
Width	0.827 Inch \| 21 Millimeter
UNSPSC	31171531
Preload	None
Ball - z	15
Category	Precision Ball Bearings
Size (mm)	100x55x21
Enclosure	Open
Inventory	0.0
Width (mm)	21
Weight / LBS	1.142
Flush Ground	No
Mass bearing	0.51 kg
d₁	68.9 mm
d₂	68.9 mm
D₁	86.1 mm
Inch - Metric	Metric
Cage Material	Phenolic
d_n	72.6 mm
Contact Angle	25 Degree
Product Group	B04270
Raceway Style	1 Rib Outer Ring
d₁	68.9 mm
d_n	72.6 mm
D₁	86.1 mm
d₂	68.9 mm
Bearing number	7211 ACD/HCP4A
Other Features	Single Row \| Angular Contact \| Super Precision \| High Capacity \| Hybrid \| Corrosion Resistant Ball
Keyword String	Angular Contact Ball
Material - Ball	Ceramic
Precision Class	ABEC 7 \| ISO P4
G_ref	8.595 cm3
Preload class D	443 N/micron
Preload class C	329 N/micron
Preload class B	248 N/micron
Preload class A	191 N/micron
Rolling Element	Ball Bearing
Outside Diameter	3.937 Inch \| 100 Millimeter
Long Description	55MM Bore; 100MM Outside Diameter; 21MM Width; Open Enclosure; ABEC 7 \| ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearings; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring
Manufacturer URL	http://www.skf.com
Weight / Kilogram	0.52
Manufacturer Name	SKF
Number of balls z	15
r_b max.	0.6 mm
Bore Diameter (mm)	100
D_a max.	91 mm
D_b max.	95.8 mm
d_a min.	64 mm
r_a max.	1.5 mm
Number of Bearings	1 (Single)
d_b min.	64 mm
Outer Diameter (mm)	55
d_a - min.	64 mm
r_1,2 min.	1.5 mm
d_b - min.	64 mm
Calculation factor f	1.08
r_3,4 min.	0.6 mm
Calculation factor e	0.68
D_a - max.	91 mm
Ball - D_w	14.288 mm
D_b - max.	95.8 mm
Minimum Buy Quantity	N/A
r_b - max.	0.6 mm
r_a - max.	1.5 mm
Calculation factor - e	0.68
Calculation factor - f	1.08
r_1,2 - min.	1.5 mm
r_3,4 - min.	0.6 mm
Harmonized Tariff Code	8482.10.50.28
Manufacturer Item Number	7211 ACD/HCP4A
Ball diameter D_w	14.288 mm
Basic dynamic load rating C	52.7 kN
Preload class A G_A	330 N
Preload class D G_D	2640 N
Preload class C G_C	1320 N
Basic dynamic load rating - C	52.7 kN
Preload class B G_B	660 N
Preload class C - G_C	1320 N
Preload class A - G_A	330 N
Preload class D - G_D	2640 N
Preload class B - G_B	660 N
Calculation factor f₁	0.99
Fatigue load limit P_u	1.73 kN
Calculation factor f_2C	1.03
Calculation factor f_HC	1.01
Calculation factor f_2B	1.01
Calculation factor f_2D	1.06
Calculation factor f_2A	1
Calculation factor - Y₀	0.76
Calculation factor - Y₂	1.41
Limiting speed for oil lubrication	24000 mm/min
Fatigue load limit - P_u	1.7 kN
Calculation factor - X₂	0.67
Calculation factor - Y₁	0.92
Calculation factor - f₁	0.99
Calculation factor - f_2D	1.06
Calculation factor - f_2A	1
Calculation factor - f_2B	1.01
Calculation factor - f_2C	1.03
Calculation factor - f_HC	1.01
Limiting speed for grease lubrication	15000 r/min
Basic static load rating C₀	40.5 kN
Attainable speed for grease lubrication	15000 r/min
Static axial stiffness, preload class D	443 N/µm
Static axial stiffness, preload class C	329 N/µm
Static axial stiffness, preload class B	248 N/µm
Static axial stiffness, preload class A	191 N/µm
Attainable speed for oil-air lubrication	24000 r/min
Basic static load rating - C₀	40.5 kN
Reference grease quantity G_ref	8.595 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