d - 105 mm

D - 190 mm

B - 36 mm

d₁ - 131.2 mm

d₂ - 131.2 mm

D₁ - 163.8 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

a - 52.6 mm

d_a - min. - 117 mm

d_b - min. - 117 mm

D_a - max. - 178 mm

D_b - max. - 183 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 138.4 mm

Basic dynamic load rating - C - 163 kN

Basic static load rating - C₀ - 146 kN

Fatigue load limit - P_u - 5.1 kN

Limiting speed for grease lubrication - 6700 r/min

Limiting speed for oil lubrication - 10000 mm/min

Ball - D_w - 26.988 mm

Ball - z - 15

G_ref - 48.333 cm3

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 1000 N

Preload class B - G_B - 2000 N

Preload class C - G_C - 4000 N

Preload class D - G_D - 8000 N

Calculation factor - f - 1.08

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.02

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 308 N/micron

Preload class B - 399 N/micron

Preload class C - 527 N/micron

Preload class D - 708 N/micron

Mass bearing - 3.868 kg

• Model Number:7221 ACD/P4A
• Inner Diameter：190mm Outer Diameter：105mm Width：36mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:Machine Tool Accessories,wheel lathe,auto tools,coal,sawing machine,Polymer,Forging machine,training beds etc,flow control valve,office outdoor camping equipment,disposable
• Similar models:ISO 7221A NACHI 7221C FAG HCB7221-C-T-P4S KOYO 7221CPA CX 7221C-UO CYSD 7221C NACHI 7221BDT SKF 7221ACD/P4A NACHI 7221BDF FAG HCB7221-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in 7221ACD/P4A products，there is large inventory of SKF 7221 ACD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 7221 ACD/P4A Which SKF 7221ACD/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.

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  1306	30	72	19	ISO	Self-Aligning Ball Bearings
  20311-K-TVP-C3 + H311	50	120	29	FAG	Spherical Roller Bearings
  22205CK	25	52	18	NTN	Spherical Roller Bearings
  310PP	50	110	27	Timken	Deep Groove Ball Bearings
  482/472	69.850	120.000	29.794	NACHI	Tapered Roller Bearings
  51328M	140	240		AST	Thrust Ball Bearings
  6021Z	105	160	26	NACHI	Deep Groove Ball Bearings
  6217Z	85	150	28	NACHI	Deep Groove Ball Bearings
  67989/67920	209,55	282,575	46,038	CX	Tapered Roller Bearings
  7317C	85	180	41	KOYO	Angular Contact Ball Bearings
  7909CTRSU	45	68	12	NSK	Angular Contact Ball Bearings
  DC5011NR	55	90	46	KOYO	Cylindrical Roller Bearings
  HMK3023L	30	40	23	NTN	Needle Roller Bearings
  NK90/35	90	110	35	FBJ	Needle Roller Bearings
  NK10/16	10	17	16	NTN	Needle Roller Bearings
  9107K	35	62	14	FAF	DEEP GROOVE BALL BEARINGS
  NK70/25	85		25	FAG	NEEDLE BEARINGS
  6204	47	20	14	FAG	DEEP GROOVE BALL BEARINGS
  6203ZNR	17	40	12	FAG	DEEP GROOVE BALL BEARINGS
  6304K.2RS	20	52	15	SKF	DEEP GROOVE BALL BEARINGS