Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71934 ACD/P4A

71934 ACD/P4A

Dimensions

d		170	mm
D		230	mm
B		28	mm
d₁		188.5	mm
d₂		188.5	mm
D₁		211.5	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		60.8	mm

Abutment dimensions

d_a	min.	179	mm
d_b	min.	179	mm
D_a	max.	221	mm
D_b	max.	225	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		193.5	mm

Calculation data

Basic dynamic load rating	C	124	kN
Basic static load rating	C₀	160	kN
Fatigue load limit	P_u	4.8	kN
Attainable speed for grease lubrication		5000	r/min
Attainable speed for oil-air lubrication		7500	r/min
Ball diameter	D_w	19.05	mm
Number of balls	z	29
Reference grease quantity	G_ref	36	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	800	N
Static axial stiffness, preload class A		415	N/µm
Preload class B	G_B	1600	N
Static axial stiffness, preload class B		546	N/µm
Preload class C	G_C	3200	N
Static axial stiffness, preload class C		731	N/µm
Preload class D	G_D	6400	N
Static axial stiffness, preload class D		1002	N/µm
Calculation factors
Calculation factor	f	1.3
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
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

2.85

Model Number: 71934 ACD/P4A
Inner Diameter：170mm Outer Diameter：230mm Width：28mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-16
Application:shoe-making machinery,sawing machine,SPA equipment,extruder,Antenna Potentials,tower crane,Oral Image,forklift truck,steam Hydraulic control element,air purification,orthodontic material
Similar models:71934 CD/P4AH1 71934 CD/HCP4A 71934 ACD/HCP4AH1 71934 ACD/HCP4A 71934 ACD/P4AH1 71934 CD/HCP4AH1 71934 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71934ACD/P4A products，there is large inventory of SKF 71934 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71934 ACD/P4A Which SKF 71934ACD/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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Hot number： 14875 27293 332096 E/C725 33712 55x75x10 HMSA10 RG 6303/HR22Q2 65x120x12 HMS5 V 706 CD/P4AH G 5x9x2 S KMT 1 NN 3020 TN9/SP OH 2352 H PCZ 9648 E S71907 CB/P4A SAW 23534 x 5.7/8 T