Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 CB/HCP4A

71911 CB/HCP4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		63.94	mm
d₂		62.7	mm
D₂		73.2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		18.8	mm

Abutment dimensions

d_a	min.	59.6	mm
d_b	min.	59.6	mm
D_a	max.	75.4	mm
D_b	max.	78	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		64.8	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	13.7	kN
Fatigue load limit	P_u	0.345	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		43000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	28
Reference grease quantity	G_ref	2.58	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	33	N
Static axial stiffness, preload class A		38	N/µm
Preload class B	G_B	66	N
Static axial stiffness, preload class B		50	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		80	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.8

Mass

Mass bearing

0.17

Model Number: 71911 CB/HCP4A
Inner Diameter：55mm Outer Diameter：80mm 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：2024-12-13
Application:forming machine,Rolling mill gear box,glass,plant determination,outdoor equipment,baler,supporting facilities,physical instruments,plastic molding,screen filter,agrochemical
Similar models:71911 CE/P4A S71911 CD/P4A 71911 CE/HCP4A 71911 CB/P4AL S71911 ACB/P4A S71911 ACB/HCP4A 71911 ACD/P4A 71911 ACB/P4A 71911 ACD/HCP4A 71911 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CB/HCP4A products，there is large inventory of SKF 71911 CB/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 71911 CB/HCP4A Which SKF 71911CB/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
1726305-2RS1	25	62	17	Bearings, units and housings
18x40x7 HMSA10 V	18	40	7	Seals
23144 CCK/W33	220	370	120	Bearings, units and housings
BD-232/530 CAK/W33-AOH 32/530 G	500	980	355	Bearings, units and housings
405503	536	-	-	Seals
61901-2RS1	12	24	6	Bearings, units and housings
7017 CD/HCP4AL	85	130	22	Bearings, units and housings
71924 ACE/P4A	120	165	22	Bearings, units and housings
NUP 2220 ECML	100	180	46	Bearings, units and housings
SAF 22234 T	170	-	-	Bearings, units and housings
SAF 22624 x 4.1/4	107.95	-	-	Bearings, units and housings
XHCE 050/OK 140	140	389	-	Coupling systems

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Hot number： 13849 23192-2CS5K/VT143 27539 31314 380x418x19 HS8 R 411003 60x90x10 HMS5 RG 81140 M BS2-2209-2RS/VT143 OKBS 105 PCZ 0808 M PCZ 1624 E SAFS 23056 KA x 10 SAF 23048 KA x 8.15/16 SILR 70 ES