Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71812 CD/HCP4

71812 CD/HCP4

Dimensions

d		60	mm
D		78	mm
B		10	mm
d₁		65.7	mm
d₂		65.7	mm
D₁		72.5	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		14.3	mm

Abutment dimensions

d_a	min.	62	mm
d_b	min.	62	mm
D_a	max.	76	mm
D_b	max.	77.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		66.4	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	14.3	kN
Fatigue load limit	P_u	0.6	kN
Attainable speed for grease lubrication		19000	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	28
Reference grease quantity	G_ref	1.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	70	N
Static axial stiffness, preload class A		66	N/µm
Preload class B	G_B	210	N
Static axial stiffness, preload class B		114	N/µm
Preload class C	G_C	420	N
Static axial stiffness, preload class C		169	N/µm
Calculation factors
Calculation factor	f	1.3
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

Mass

Mass bearing

0.088

Model Number: 71812 CD/HCP4
Inner Diameter：60mm Outer Diameter：78mm Width：10mm
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:plastic rolling,Hydraulic Equipment,Broadcasting System,blood cell reagent,marine analysis,Automobile,power tools,Spectrum Products,miscellaneous instruments,extruder,Insect Count
Similar models:71812 CD/P4 71812 ACD/HCP4 71812 ACD/P4 71812 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71812CD/HCP4 products，there is large inventory of SKF 71812 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 71812 CD/HCP4 Which SKF 71812CD/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.

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