Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71818 CD/HCP4

71818 CD/HCP4

Dimensions

d		90	mm
D		115	mm
B		13	mm
d₁		98.2	mm
d₂		98.2	mm
D₁		107.1	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		20.3	mm

Abutment dimensions

d_a	min.	94.6	mm
d_b	min.	94.6	mm
D_a	max.	110.4	mm
D_b	max.	113	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		99.1	mm

Calculation data

Basic dynamic load rating	C	21.6	kN
Basic static load rating	C₀	26.5	kN
Fatigue load limit	P_u	1.1	kN
Attainable speed for grease lubrication		13000	r/min
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	31
Reference grease quantity	G_ref	2.9	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	116	N
Static axial stiffness, preload class A		91	N/µm
Preload class B	G_B	350	N
Static axial stiffness, preload class B		158	N/µm
Preload class C	G_C	700	N
Static axial stiffness, preload class C		233	N/µm
Calculation factors
Calculation factor	f	1.33
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.1
Calculation factor	f_2C	1.18
Calculation factor	f_HC	1.02
Calculation factor	f₀	17.2

Mass

Mass bearing

0.25

Model Number: 71818 CD/HCP4
Inner Diameter：90mm Outer Diameter：115mm Width：13mm
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:electrostatic protection,glass,Medical equipment,medical equipment,historical instruments,centrifugal pump,motor,sanitation facilities,water,Switch,SPA equipment
Similar models:71818 CD/P4 71818 CD/HCP4 71818 ACD/HCP4 71818 ACD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71818CD/HCP4 products，there is large inventory of SKF 71818 CD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71818 CD/HCP4 Which SKF 71818CD/HCP4 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
1310 EKTN9	50	110	27	Bearings, units and housings
2050252	520.7	558.8	19.05	Seals
2219 K	95	170	43	Bearings, units and housings
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91321	-	-	43.993	Seals
D/W R168 R-2Z	6.35	9.525	3.175	Bearings, units and housings
IR 12x16x22	12	16	22	Bearings, units and housings
PFT 1.1/2 TR	38.1	-	-	Bearings, units and housings
PSMF 101616 A51	10	16	16	Bearings, units and housings
S7212 CD/HCP4A	60	110	22	Bearings, units and housings
SAFS 23038 KAT x 6.7/8	174.625	-	-	Bearings, units and housings
WS 81208	40		5	Bearings, units and housings

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