Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71908 CD/HCP4A

71908 CD/HCP4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		47.1	mm
d₂		47.1	mm
D₁		54.9	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		12.9	mm

Abutment dimensions

d_a	min.	43.2	mm
d_b	min.	43.2	mm
D_a	max.	58.8	mm
D_b	max.	60.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		48.7	mm

Calculation data

Basic dynamic load rating	C	12.4	kN
Basic static load rating	C₀	8.5	kN
Fatigue load limit	P_u	0.36	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		40000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	21
Reference grease quantity	G_ref	1.44	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	45	N
Static axial stiffness, preload class A		40	N/µm
Preload class B	G_B	90	N
Static axial stiffness, preload class B		54	N/µm
Preload class C	G_C	180	N
Static axial stiffness, preload class C		73	N/µm
Preload class D	G_D	360	N
Static axial stiffness, preload class D		103	N/µm
Calculation factors
Calculation factor	f	1.09
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	10.4

Mass

Mass bearing

0.1

Model Number: 71908 CD/HCP4A
Inner Diameter：40mm Outer Diameter：62mm Width：12mm
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：2021-06-06
Application:instrumentation instrument,suction nozzle,filter paper products,vacuum filter,Broadcasting System,Hydraulic Hose,Safety protection,wall materials,Industrial Adhesive,gas turbine,Dental Drill etc
Similar models:S71908 ACE/HCP4A 71908 CE/P4AH1 S71908 CE/P4A 71908 CB/P4AL 71908 ACB/P4AL 71908 ACE/P4AH1 S71908 CB/HCP4A 71908 CE/P4AL 71908 CB/HCP4A S71908 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71908CD/HCP4A products，there is large inventory of SKF 71908 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 71908 CD/HCP4A Which SKF 71908CD/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.

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171025	434.975	488.696	-	Seals
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63733	161.925	200.03	15.88	Seals
85418	-	-	15.88	Seals
C 3196 MB	480	790	248	Bearings, units and housings
N 39/1180 MB	1180	1540	272	Bearings, units and housings
NUP 220 ECML	100	180	34	Bearings, units and housings
NKI 42/30	42	57	30	Bearings, units and housings
NRT 80 B	80	146	35	Bearings, units and housings
PCMF 121415 E	12	14	15	Bearings, units and housings
SAF 22610 T	42.8625	-	-	Bearings, units and housings
SAF 23044 KAT x 7.13/16	198.4375	-	-	Bearings, units and housings

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Hot number： 16384 22313 E/VA405 BD-241/950 ECAK30F/W33-AOH 241/950 26921 3210 ATN9 42x62x8 CRW1 R 618/1500 TN 6305-Z 7008 ACE/HCP4A 71812 ACD/HCP4 NU 1092 MA PF 1. TF SSAFS 22215 SSAFS 22220 T SSAFS 22520 T