Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71964 ACDMA/P4A

71964 ACDMA/P4A

Dimensions

d		320	mm
D		440	mm
B		56	mm
d₁		357	mm
d₂		357	mm
D₁		403	mm
r_1,2	min.	3	mm
r_3,4	min.	1.1	mm
a		116.9	mm

Abutment dimensions

d_a	min.	333	mm
d_b	min.	333	mm
D_a	max.	425	mm
D_b	max.	434	mm
r_a	max.	2.5	mm
r_b	max.	1	mm
d_n		367	mm

Calculation data

Basic dynamic load rating	C	351	kN
Basic static load rating	C₀	585	kN
Fatigue load limit	P_u	12.9	kN
Attainable speed for grease lubrication		2200	r/min
Attainable speed for oil-air lubrication		3400	r/min
Ball diameter	D_w	38.1	mm
Number of balls	z	27
Reference grease quantity	G_ref	282	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	2200	N
Static axial stiffness, preload class A		683	N/µm
Preload class B	G_B	4400	N
Static axial stiffness, preload class B		892	N/µm
Preload class C	G_C	8800	N
Static axial stiffness, preload class C		1183	N/µm
Preload class D	G_D	17600	N
Static axial stiffness, preload class D		1599	N/µm
Calculation factors
Calculation factor	f	1.24
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

Model Number: 71964 ACDMA/P4A
Inner Diameter：320mm Outer Diameter：440mm Width：56mm
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：2025-12-09
Application:physical instruments,sanitation facilities,pump industry,disposable,spectrometer,Pest Monitoring,gear grinding machine,Oral Equipment,plastic blow molding,tower crane,Power equipment
Similar models:71964 ACDMA/HCP4A 71964 CDMA/P4A 71964 AC 71964 CDMA/HCP4A 71964 ACDMA/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71964ACDMA/P4A products，there is large inventory of SKF 71964 ACDMA/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 71964 ACDMA/P4A Which SKF 71964ACDMA/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	Type
10x20x6 HMS5 V	10	20	6	Seals
19237	49.2252	68.22	7.95	Seals
240/750 ECA/W33	750	1090	335	Bearings, units and housings
250x280x15 HS8 R	250	280	15	Seals
539/532 X	53.975	107.95	36.512	Bearings, units and housings
80x105x10 HMS5 V	80	105	10	Seals
EE 2 TN9	6.35	19.05	5.556	Bearings, units and housings
BD-C 3984 KM-OH 3984 HE	400	560	106	Bearings, units and housings
NJG 2309 VH	45	100	36	Bearings, units and housings
NU 310 ECPH	50	110	27	Bearings, units and housings
SAF 1322 TLC	110	-	-	Bearings, units and housings
SAF 23056 KATLC x 9.15/16	252.4125	-	-	Bearings, units and housings

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