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：2026-07-28
• Application:E Beauty,water,Insect Count,ventilator anesthesia machine etc,expectoration machine,pump,gantry processing,hydraulic cylinder buffer,sanitation facilities,Gear grinding machine,plastic molding
• Similar models:CX 71921ATBP4 CX 71921CTBP4 FAG B71921-C-2RSD-T-P4S FAG HSS71921-C-T-P4S SKF 71921ACD/HCP4AL FAG HCB71921-C-2RSD-T-P4S FAG HS71921-E-T-P4S SKF 71921ACD/HCP4A AST H71921AC/HQ1 CX 71921C-UO
• 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
  22209 E	85	45	23	SKF	Spherical Roller Bearings
  31312	60	130	33,5	ISB	Tapered Roller Bearings
  32018-X-XL	90	140	32	FAG	Tapered Roller Bearings
  6018ZZ	90	140	24	NACHI	Deep Groove Ball Bearings
  709 C	9	24	7	ISO	Angular Contact Ball Bearings
  81213-TVPB	65	100	27	NKE	Thrust Roller Bearings
  8E-NK38.5X67X17	38,5	67	17	NTN	Needle Roller Bearings
  9316K	80	110	16	Timken	Deep Groove Ball Bearings
  KGBO20-PP-AS	20			INA	Bearing Units
  PK18X24X13.2	18,000	24,000		NTN	Needle Roller Bearings
  NJ238-E-MA6+HJ238-E	190	340	55	NKE	Cylindrical Roller Bearings
  NKI100/30	100	130	30	INA	Needle Roller Bearings
  NU1005-E-MPA	25	47	12	NKE	Cylindrical Roller Bearings
  NU208EM	40	80	18	NSK	Cylindrical Roller Bearings
  P698-GB	8	19	6	ZEN	Deep Groove Ball Bearings
  PSL 612-37-1	630	850	242	PSL	Tapered Roller Bearings
  R16	25,4	50,8	9,525	AST	Deep Groove Ball Bearings
  SUC208	40	80	49,2	ZEN	Deep Groove Ball Bearings
  SR2A	3,175	12,7	4,36626	AST	Deep Groove Ball Bearings
  UCTL205-400	25		34,1	KOYO	Bearing Units