d - 105 mm

D - 145 mm

B - 20 mm

d₁ - 117.3 mm

d₂ - 117.3 mm

D₂ - 135.65 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 39.3 mm

d_a - min. - 111 mm

d_a - max. - 116.7 mm

d_b - min. - 111 mm

d_b - max. - 116.7 mm

D_a - max. - 139 mm

D_b - max. - 141 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 65.5 kN

Fatigue load limit - P_u - 2.5 kN

Limiting speed for grease lubrication - 7500 r/min

Ball - D_w - 12.7 mm

Ball - z - 27

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 - 360 N

Preload class B - G_B - 720 N

Preload class C - G_C - 1440 N

Preload class D - G_D - 2880 N

Calculation factor - f - 1.25

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_2D - 1.14

Calculation factor - f_HC - 1

Preload class A - 263 N/micron

Preload class B - 346 N/micron

Preload class C - 463 N/micron

Preload class D - 633 N/micron

Mass bearing - 0.847 kg

• Model Number: S71921 ACD/P4A
• Inner Diameter：145mm Outer Diameter：105mm Width：20mm
• Type：Angular Contact Ball Bearings
• Update date：2026-01-31
• Application:Hydraulic Press,Pump,Surveying Surveying Instruments,switch,hardware,Plastic Equipment,Rolling mill,Workpiece,packing equipment,medical equipment,Internal thread type
• Similar models:SKF 71921CD/HCP4A CX 71921ATBP4 SKF 71921ACD/HCP4AL SKF 71921CD/P4AL SKF 71921ACD/P4A FAG HCB71921-C-2RSD-T-P4S AST H71921C SKF S71921CD/HCP4A FAG B71921-E-2RSD-T-P4S FAG HCB71921-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in S71921ACD/P4A products，there is large inventory of SKF S71921 ACD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the S71921 ACD/P4A Which SKF S71921ACD/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	Brand	Type
  213KDDG	65	120	23	Timken	Deep Groove Ball Bearings
  230/560-MB-W33	560	820	195	NKE	Spherical Roller Bearings
  2RT19008	950,000	1250,000	180,000	NTN	Thrust Roller Bearings
  3NC609ST4	9	24	7	KOYO	Deep Groove Ball Bearings
  40TAC03AT85	40	90	23	NSK	Thrust Ball Bearings
  51111	55	78	16	SKF	Thrust Ball Bearings
  6019	95	145	24	ISB	Deep Groove Ball Bearings
  A-5234-WS	170	286		Timken	Cylindrical Roller Bearings
  AST800 3220	32	36		AST	Plain Bearings
  E 285 7CE3	85	150	28	SNFA	Angular Contact Ball Bearings
  K60X66X20	60	66	20	ISO	Needle Roller Bearings
  ML71901HVDUJ74S	12	24	12	SNR	Angular Contact Ball Bearings
  NA4909-2RS	45	68	23	ISO	Needle Roller Bearings
  NUP218-E-MPA	90	160	30	NKE	Cylindrical Roller Bearings
  TP-131				American	THRUST ROLLER BEARINGS
  SL192310	50	110	40	INA	CYLINDRICAL ROLLER BEARINGS
  CFE-11/4-SB			.7500	McGill	NEEDLE BEARINGS
  KML26			21	SKF	LOCKNUTS
  HA318	90	120		STEYR	ADAPTERS
  NAO25x40x17	25	40	17	SKF	NEEDLE BEARINGS