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：2026-03-18
• Application:plastic molding,rubber products machinery and equipment,electronic materials,physical instruments,squeeze machine etc,Switch,plastic molding,Forklift industry,Liposuction device,auto tools,crimping tools
• Similar models:FAG HSS71921-C-T-P4S AST H71921C/HQ1 CX 71921ATBP4 SKF 71921CD/P4AL AST H71921AC/HQ1 CX 71921C-UX CX 71921C-UD SKF S71921ACD/P4A CX 71921C ISO 71921CDF
• 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
  21314AX	70	150	35	NACHI	Cylindrical Roller Bearings
  368/363D+X3S-368	50,8	90	50,01	Timken	Tapered Roller Bearings
  6005ZZ	25	47	12	NSK	Deep Groove Ball Bearings
  6203FT150ZZ	17,000	40,000	12,000	SNR	Deep Groove Ball Bearings
  626-2Z	6	19	6	FAG	Deep Groove Ball Bearings
  AST20 WC09IB	15,875	30,1498		AST	Plain Bearings
  EE843220/843290	558,8	736,6	88,108	KOYO	Tapered Roller Bearings
  HK4520	45	52	20	FBJ	Needle Roller Bearings
  JM716648/10	85	130	30	CX	Tapered Roller Bearings
  NF3228	140	250	88	CX	Cylindrical Roller Bearings
  NN3056	280	420	106	ISO	Cylindrical Roller Bearings
  NUP2324 E	120	260	86	CX	Cylindrical Roller Bearings
  A6206TS	30	62	1.8750	New Departure	CYLINDRICAL ROLLER BEARINGS
  GT-41	4.7187	3.0000		Andrews	THRUST BALL BEARINGS
  A1213TS	65	120	23	Hyatt	CYLINDRICAL ROLLER BEARINGS
  94126	.5000	1.0000	1.6250	Hyatt	JOURNAL ROLLER ASSEMBLIES
  R155ZZS	.1562	.3125	.1250	ISC	DEEP GROOVE BALL BEARINGS
  NU214	70	125	24	STEYR	CYLINDRICAL ROLLER BEARINGS
  222S.303	160	112	40	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS
  R-2-ZZ	.1250	.3750	.1562	CONSOLIDATED	DEEP GROOVE BALL BEARINGS