CAT NO:2202/TC
CAT. NO. 2202/TC
TPI TPI
1. (2)
1.1 (2)
1.2 (2)
1.3 (4)
2. (4)
3. (9)
4. (10)
4.1 (10)
4.2 (10)
4.3 (11)
4.4 (11)
4.5 (12)
5. (13)
5.1 (15)
6. (15)
6.1 (15)
6.2 (16)
6.3 (16)
7. (17)
7.1 (17)
7.2 (17)
7.3 (19)
7.4 (19)
8. (21)
8.1 (21)
8.2 (21)
9. (22)
9.1 (22)
9.2 (22)
(26)
(42)
( ) (44)
1
1.
1.1
1-1 ( ) ( )
( )
1.2
( ) ( ) 1-2
1-1
1.2.1
ZZ Z 1.2.2
(LLU ) (LLB ) LLU (LLH ) LU LB LH
1.2.3
( 1-3) ( ) ( ) ( ) C3
1-1
2
3
1-2
1-1
1.2.4 CSB
CSB CSB 62 63
1.2.5 ESB
ESB CSB ESB CSB
1.2.6 AC ( )
AC O 1-4
( )
AC
1.2.7 TS
120 (TS)
TS 250
1.2.8
(F r e t t i n g Corrosion)
1.2.9 BL
BL (Maximum Capacity Ball Bearing) BL (Filling Slot) BL
4
1-3 EC
1-4 AC 1-5
1.2.10
,
,
(in pairs)
,
,
( ),
, , 1-
, ,
,
1.2.11
ISO
8.
1.3
1.3.1
TPI
(Needle Roller and Cage
Assembly) (Drawn-cup
Needle Roller Bearing)
( )
2.
2-1(
) 2-6( ) 2-
7( )
5
2-3
TPI
2-4
6
7
8
3.
ISO JI S B 1514 ( )
JI S B 1514 JI S 0 6 5 4 2 3-1 JI S B 1514
3-1
1) ABEC RBEC
1.JIS B 1514 ISO 492 DIN620
2.JIS B 1514 AFBMA
9
104.
4.1
(Flaking)
4.2
90 ( 90 )
100 TPI
TPI
(4-1)
L
10
= (C r)p..................(4-1)
P
p=3
p=10/3
L10 106
C r N kgf
P N kgf
(4-2)
L10h =500 f
h
p...................(4-2)
4-1 n f n f h L10h
C r
f
h
=f
n
......................(4-3)
P
33.3
1p
f
n =(
)..................(4-4)
n
L10h
f
h
f
n
n rpm
(4-2) (4-5)
106C
r
L10h ( )p.................(4-5)
60n P
n f n
L10h f
h 4-1
4.3
4-1
( )
4.4
(1)
(4-6)
P
r XF r
YF a.............................(4-6)
P r N kgf
F r N kgf
F a N kgf
X
Y
X,Y
6% 6% 12% 12%
11
(2)
(4-7) (4-
8)
P or = X o F r Y o F a.........................(4-7)
P or = F r........................................(4-8)
P or N kgf
F r N kgf
F a N kgf
X o
Y o
X o,Y o
4.5
4-2 (4-9) (4-10)
a+b d
F rA = F + F .........(4-9)
b c+d
a c
F rB = F + F ......(4-10)
b c+d
F rA A N kgf
F rB B N kgf
F , F N kgf
4-2
1 6207 n=650rpm
F r= 2.8 kN {286kgf}
P r (4-6)
P r=F r= 2.8 kN 286kgf
6208 C r 25.7kN 2620kgf
n=650rpm f n 4-1
f n =0.37 f h (4-3)
C r25.7
f
h = f n
=0.37 =3.40
P r 2.8
f n L10h 4-1 20000
2 1 F a=1.6kN 163kgf
L10h ?
P r X Y
6207 C or 15.3kN
1560kgf
F a/ C or=1.6 / 15.3 = 0.10
e= 0.29
F a/ F r =1.6 / 2.8 = 0.57 e= 0.29
(4-6)
A B
12
13
P r =XF r +YF a = 0.56 2.8+1.48 1.6
=3.94kN 420kgf
4-1 4-3 f h C r
25.7f h = f n =0.37 =2.41
P r 3.94
f h L 10h 4-1 7000
5.
( ) (Abrasive Wear) (Fretting Corrosion) ( ) ( ) (1) (2) (Transition Fit) (3) (Loose Fit) 5-1 5-1 5-2 5-4 I SO Normal Class Class 6X Class 6 ( ( ) TPI)
5-1
1)
JIS
JIS Class 0
5-3IT
14
5.1
(1)
(2)
(3)
(4) ( )
(5)
(6) ( )
(7) ( )
5-1 ( )
5-5
6.
6.1
( )
1. ( ) ( )
2.
3. (Cr) 6% 6 12% 12%
15
6-1 6-2~ 6-3
6.2
( )
6.3
(Smearing)
6-2 6-4
= = 1+ 2
6-1
: F o= 4~8d N
0.4~0.8d kgf
d mm
6-2
6-2
C2CN C3C4
07213823
07213823142920
093181125183325
0105201328203628
1115201328234130
1116201533284640
1116231836305145
F0
16
6-3
6-4
Cr:
17
7.
7.1
7.2
7-1
Kawamura L 50( 50%)
log L =8.50-2.02 10-6 K V
-2.95 10-2T -8.36F +K 1.......................(7-1) 10 dm 100, dmn 400000, 70 T 180
log L =6.33-1.58 10-6 K V
-2.18 10-2T -9.84F +K 1.......................(7-2) 10 d m 100, d mn 400000, 70 T 150
L L 50
K ( K =1 K = ( ) / )
V dmn
dm ≈d+D
2D mm T F / r
K 1 ( 7-2)
18
7-2(1) K 1
PAD polyalphaolefins( )
7-2(2) K 1
T. Kawamura, M. Minami and M. Hirata,
“Grease Life Prediction for Sealed Ball Bearings,”Tribology Transactions, 44, 2, pp 256-262, (2001).
7-1