安康NACHI軸承代理商 KOYO 30311DJR軸承-杭州中納瑞德軸承有限公司專業(yè)銷售安康NACHI軸承代理商 KOYO 30311DJR軸承
KOYO NUP2307R KOYO NUP2308 KOYO NUP2308R KOYO NUP2309
KOYO NUP2309R KOYO NUP230R KOYO NUP2310 KOYO NUP2310R
KOYO NUP2311 KOYO NUP2311R KOYO NUP2312 KOYO NUP2312R
KOYO NUP2313 KOYO NUP2313R KOYO NUP2314 KOYO NUP2314R
KOYO NUP2315 KOYO NUP2315R KOYO NUP2316 KOYO NUP2316R
KOYO NJ2316 KOYO NJ2316R KOYO NJ2317 KOYO NJ2317R KOYO NJ2328 KOYO NJ2328R KOYO NJ232R KOYO NJ2330
KOYO NJ2336 KOYO NJ2338 KOYO NJ233 KOYO NJ2340
KOYO NUP2305R KOYO NUP2306 KOYO NUP2306R KOYO NUP2307
KOYO NJ317R KOYO NJ318 KOYO NJ318R KOYO NJ319KOYO NJ248 KOYO NJ252 KOYO NJ256 KOYO NJ260
KOYO NJ305R KOYO NJ306 KOYO NJ306R KOYO NJ307
KOYO NJ307R KOYO NJ308 KOYO NJ308R KOYO NJ309
KOYO 30311DJR軸承參數(shù)，KOYO 30311DJR軸承尺寸：
邊界尺寸(mm)
d
55
D
120
T
31.5
B
29
r(min)
2.5
r1(min)
2
基本負(fù)荷率(kN)
Cr
129
C0r
148
極限速度(min-1)
Grease lub.
2900
Oil lub
4000
尺寸(mm)
C
21
負(fù)荷中心
a(mm)
38.4
安裝尺寸(mm)
da(min)
67
db(max)
68
Da(max)
108
Da(min)
94
Db(min)
113
Sa(min)
4
Sb(min)
10.5
ra(max)
2
rb(max)
2
常數(shù)
e
0.83
軸向載荷因素
Y1
0.73
Y0
0.40
（參考）重量(kg)
1.59
