Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7008 CB/P4AL

7008 CB/P4AL

Dimensions

d		40	mm
D		68	mm
B		15	mm
d₁		50.95	mm
d₂		49.87	mm
D₂		58.88	mm
b		1.5	mm
C₁		7.8	mm
C₂		3.6	mm
C₃		2.6	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		14.8	mm

Abutment dimensions

d_a	min.	44.6	mm
d_b	min.	44.6	mm
D_a	max.	63.4	mm
D_b	max.	64.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		51.6	mm

Calculation data

Basic dynamic load rating	C	9.95	kN
Basic static load rating	C₀	9.3	kN
Fatigue load limit	P_u	0.236	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		43000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	26
Reference grease quantity	G_ref	2.22	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	24	N
Static axial stiffness, preload class A		28	N/µm
Preload class B	G_B	48	N
Static axial stiffness, preload class B		36	N/µm
Preload class C	G_C	145	N
Static axial stiffness, preload class C		57	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	9.8

Mass

Mass bearing

0.21

Model Number: 7008 CB/P4AL
Inner Diameter：40mm Outer Diameter：68mm Width：15mm
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:electromyography machine,medical equipment,food testing,sleep monitoring,chemical,storage shelves,rehabilitation training equipment,auto tools,scientific instruments,power protection,Oral Equipment
Similar models:7008 CE/P4A S7008 CE/HCP4A S7008 CB/HCP4A 7008 ACE/HCP4AL S7008 CE/P4A 7008 ACB/P4A S7008 ACB/HCP4A 7008 ACB/HCP4A 7008 ACB/HCP4AL 7008 ACE/P4A
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24916	63.5	82.58	11.13	Seals
404500	405	-	-	Seals
6024 N	120	180	28	Bearings, units and housings
6311	55	120	29	Bearings, units and housings
65x100x8 CRW1 R	65	100	8	Seals
7509	19.05	34.93	6.35	Seals
C 2215 K	75	130	31	Bearings, units and housings
GEC 800 TXA-2RS	800	1060	355	Bearings, units and housings
HJ 318 EC	90	124.05	18.5	Bearings, units and housings
KR 35 B	-	35	18	Bearings, units and housings
NA 2206.2RS	30	62	19.8	Bearings, units and housings
SYNT 60 FTF	60	-	-	Bearings, units and housings

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Hot number： 16533 19000 28425 331197 A 402000 51406 99400 NCF 2340 ECJB/PEX NU 321 ECP NUP 2319 ECML OKCX 280 PCMS 1005001.5 M S7018 CB/HCP4A SNW 116x2.11/16 SYFWK 25 LTHR