d - 20 mm

D - 37 mm

B - 9 mm

d₁ - 25.65 mm

d₂ - 24.4 mm

D₁ - 31.49 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 11.6 mm

d_a - min. - 22 mm

d_b - min. - 22 mm

D_a - max. - 35 mm

D_b - max. - 36.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 26.7 mm

Basic dynamic load rating - C - 4.7 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.098 kN

Limiting speed for grease lubrication - 52000 r/min

Limiting speed for oil lubrication - 78000 mm/min

Ball - D_w - 4.762 mm

Ball - z - 14

G_ref - 0.5 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 - 42 N

Preload class B - G_B - 130 N

Preload class C - G_C - 250 N

Calculation factor - f - 1.04

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.07

Calculation factor - f_HC - 1

Preload class A - 47 N/micron

Preload class B - 69 N/micron

Preload class C - 88 N/micron

Mass bearing - 0.036 kg

• Model Number:71904 ACE/P4A
• Inner Diameter：37mm Outer Diameter：20mm Width：9mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:joint protection,hook,manual Tools,Oral Equipment,Hydraulic Press,industry test,industrial skin care,Performance test,Generator,other lathe,Safety protection
• Similar models:CX 71904C-UO SKF S71904CE/P4A SNR ML71904HVUJ74S FAG B71904-C-T-P4S SKF 71904CE/P4AL FAG B71904-E-T-P4S FAG B71904-E-2RSD-T-P4S SNR 71904CVUJ74 SKF 71904ACE/P4A SKF 71904ACE/HCP4AL
• BEARING POWER International Trading Co.,Ltd. specialize in 71904ACE/P4A products，there is large inventory of SKF 71904 ACE/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71904 ACE/P4A Which SKF 71904ACE/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
  204KRRB2	20,24	47	20,96	CYSD	Deep Groove Ball Bearings
  3209-BD	45	85	30,2	FAG	Angular Contact Ball Bearings
  3777/3726	46,038		30,302	KOYO	Tapered Roller Bearings
  563466A	25	58	16	FAG	Deep Groove Ball Bearings
  6315-2Z/VA208	75	160	37	SKF	Deep Groove Ball Bearings
  7003DT	17	35	10	CYSD	Angular Contact Ball Bearings
  70BNR20SV1V	70	110	24	NSK	Angular Contact Ball Bearings
  E 200/100 7CE3	100	180	34	SNFA	Angular Contact Ball Bearings
  ESSP204	20			SNR	Bearing Units
  NF218	90	143	30	NTN	Cylindrical Roller Bearings
  NU2308 E	40	90	33	CX	Cylindrical Roller Bearings
  QJ226	130,000	230,000	40,000	NTN	Angular Contact Ball Bearings
  S689-2RS	9	17	5	ZEN	Deep Groove Ball Bearings
  UCTH203-150	17		88	FYH	Bearing Units
  F623ZZS	3	10	4	ISC	DEEP GROOVE BALL BEARINGS
  EW-1/4	.2500	.6562		FBC	THRUST BALL BEARINGS
  SL014926	130	180	50	INA	CYLINDRICAL ROLLER BEARINGS
  NTA1931	1.1875	1.9375	.0781	Torrington	THRUST NEEDLE BEARINGS
  NNA6914	70	100	54	SKF (Old No.)	NEEDLE BEARINGS
  AT-763				Rollway	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING