Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71934 CD/P4AH1

71934 CD/P4AH1

Dimensions

d		170	mm
D		230	mm
B		28	mm
d₁		188.5	mm
d₂		188.5	mm
D₁		211.5	mm
K		0.6	mm
C₁		7.32	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		40.9	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	133	kN
Basic static load rating	C₀	166	kN
Fatigue load limit	P_u	5.1	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		8500	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	500	N
Static axial stiffness, preload class A		171	N/µm
Preload class B	G_B	1000	N
Static axial stiffness, preload class B		236	N/µm
Preload class C	G_C	2000	N
Static axial stiffness, preload class C		334	N/µm
Preload class D	G_D	4000	N
Static axial stiffness, preload class D		493	N/µm
Calculation factors
Calculation factor	f	1.3
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.5

Mass

Mass bearing

2.85

Model Number: 71934 CD/P4AH1
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：2026-06-24
Application:rock drilling machinery,electric hydraulic lifting platform,medical equipment,Laser Cutting,ECG,Technical Equipment,car shock absorber,mechanical annex,thread processing machine,metering pump,ventilation equipment
Similar models:71934 ACD/P4AH1 71934 ACD/P4A 71934 CD/HCP4A 71934 ACD/HCP4AH1 71934 ACD/HCP4A 71934 CD/P4AH1 71934 CD/HCP4AH1
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Model No. Inner Diameter Outer Diameter Width Type

BSA 204 C
GEZ 412 ESL-2LS
KM 8
NU 29/900 ECMA/HB1
OKCX 750

Purchase the SKF 71934 CD/P4AH1 Please fill in the following

Hot number： 1214 ETN9 13912 45x65x10 HMS5 V 6310 N 71918 ACD/P4A IR 25x29x30 LR 17x20x16.5 NCF 18/900 V/HB1 OKBS 40 NU 309 ECNP PSM 152230 A51 SAW 23238 TLC SILKB 8 F W 61811-2RZ Z 206

Model No.	Inner Diameter	Outer Diameter	Width	Type
BSA 204 C
GEZ 412 ESL-2LS
KM 8
NU 29/900 ECMA/HB1
OKCX 750