Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 CD/HCP4A

71918 CD/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		100.8	mm
d₂		100.8	mm
D₁		114.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		23.5	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	96	mm
D_a	max.	119	mm
D_b	max.	121	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		103.3	mm

Calculation data

Basic dynamic load rating	C	47.5	kN
Basic static load rating	C₀	51	kN
Fatigue load limit	P_u	2.08	kN
Attainable speed for grease lubrication		13000	r/min
Attainable speed for oil-air lubrication		19000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	26
Reference grease quantity	G_ref	7.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	180	N
Static axial stiffness, preload class A		104	N/µm
Preload class B	G_B	360	N
Static axial stiffness, preload class B		143	N/µm
Preload class C	G_C	720	N
Static axial stiffness, preload class C		203	N/µm
Preload class D	G_D	1440	N
Static axial stiffness, preload class D		297	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.3

Mass

Mass bearing

0.47

Model Number: 71918 CD/HCP4A
Inner Diameter：90mm Outer Diameter：125mm Width：18mm
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:printing equipment,chamfer,equipment,paper processing machine,climb ladder,cooling system,lifting upgrade,medical equipment,storage and transportation equipment,directional control valve,transistor fittings
Similar models:71918 CE/P4AH1 71918 CD/HCP4AL 71918 CD/HCP4A 71918 ACD/HCP4A 71918 ACE/P4AH1 71918 ACB/P4A 71918 CD/P4A 71918 CE/HCP4AL 71918 ACD/HCP4AH1 71918 CB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918CD/HCP4A products，there is large inventory of SKF 71918 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71918 CD/HCP4A Which SKF 71918CD/HCP4A 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
218 NR	90	160	30	Bearings, units and housings
23701	60.325	85.09	9.53	Seals
35649	90.5002	120.68	11.13	Seals
361844	800	1080	115	Bearings, units and housings
7022 CE/HCP4AH1	110	170	28	Bearings, units and housings
81212 TN	60	95	26	Bearings, units and housings
FYAWK 1.3/8 LTA	34.925	-	-	Bearings, units and housings
FYTJ 508	-	-	-	Bearings, units and housings
N 072	45.4914	-	359.918	Bearings, units and housings
NU 328 ECM	140	300	62	Bearings, units and housings
SAF 22544 x 8	203.2	-	-	Bearings, units and housings
SAF 1617 x 3 TLC	76.2	-	-	Bearings, units and housings

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