Page 62 - NSK_CAT_E1102m_A7-141

TECHNICAL DATA

15. 1 Axial Displacement of Bearings 35° α 0=30° mm 721080C,A20C,22C
30° 25° 0.015
(1) Contact Angle α and Axial Displacement δa of 06C 02A 7200B 03B 04B
20° 0.010 10C
Deep Groove Ball Bearing and Angular Contact 25° 15° 7204C
0.005
Ball Bearings Contact Angle α 10° 08C C
20° 5° 0
(Figs. 15.1 to 15.3) 1 0 14 04 A 06B
0° 0 26C 06A 08B 10B
Q2 15°
0.00044 Dw 3 ................... (N)
10°
sin α
( )δa = 5° 8A
( ) }δa Axial Displacement δa 0 A
0° 10 4 A18A,20A,22A
1 (mm) 0 0.1 0.2 0.3 0.4 0.5 1 14B
3 ..................... {kgf } Fa /Cor ,20B
= 0.002 Q2 1 8 B 26B
Dw Fig. 15.1 Fa /Cor and Contact Angle of
sin α Deep Groove and Angular 24A
Contact Ball Bearings
Q = Fa α (N), {kgf}
Zsin
Digits: Bearing Bore Number
(2) Axial Load Fa and Axial Displacement δa of 0.6 C…… α 0 =15°
A…… α 0 =30°
Tapered Roller Bearings B…… α 0 =40°
(Fig. 15.4)
500 1000 1500 2000 2500 N
δa = 0.000077 Fa0.9 ................. (N)
}δa = 0.0006 Fa0.9 .............. {kgf} 50 100 150 200 250 k g f
(sin α)1.9 Z 0.9 Lwe0.8 (mm) Axial Load Fa

(sin α)1.9 Z 0.9 Lwe0.8 Fig. 15.3 Axial Load and Axial Displacement of
Angular Contact Ball Bearings

Remarks: μm
Actual axial displacement may vary depending on 20
the shaft/housing thickness, material, and fitting
interference with the bearing. Please contact NSK H0R4303J Series Series 06 06
about such factors of axial displacement which are 06
not discussed in detail in this catalog.

μm HR323J
160 Series

α 0= 0° HR322J
15 08
140 08
10
120 HR302J Series 08
Axial Displacement δa 04
Axial Displacement δa α 0= 0° 10 10 14
08 06 12
100
14 12
10 16 1416
18
80 α 0= 10° 10 12
α 0= 10° 14
α 0= 15° 161820 20
60 α 0= 15° Series
08D
5 HR303DJ 10D

40

14D

20 6210
6310
0 0 0 1000 2000 3000 4000 N
0 500 1000 1500 2000 2500 3000 3500 N
0 0 100 200 300 400 k g f
50 100 150 200 250 300 350 k g f Axial Load Fa
Axial Load Fa
Fig. 15.4 Axial Load and Axial Displacement of
Fig. 15.2 Axial Load and Axial Displacement of Tapered Roller Bearings
Deep Groove Ball Bearings

A 128 A 129