躲闪
SELECTION
B15-13
特点与优势
Page B15-3
SPECIFICATION/HOW TO ORDER
Page B15-7
命名法
Page B15-8
选择/尺寸
pAGE B15-26
Bearing Reference
Guide
统一的SAF
电子家庭辊
轴承
专业锥形
产品
S-2000
UNISPHERE II
IMPERIAL
统一枕头块 - 球形辊轴承
(USAF 500、600、200、300系列
和USDAF 23000,23100,23200)
躲避统一的球形辊轴承have the capacity to
carry heavy radial loads and combined radial and thrust loads.
The maximum recommended load which can be applied is
受系统中各个组件的限制,例如轴承,
住房,轴,轴附件,速度和寿命要求
在此目录中列出。躲避统一的球形辊轴承
即使这些限制有
been exceeded under controlled operating conditions. Contact
躲闪Application Engineering (864-284-5700) for applications
which exceed the recommendations of this catalog.
l
10
小时生命 - 至少可以期待的生活
90% of a given group of bearings operating under identical
条件。
l
10
生活,小时=
X
Where: C = Dynamic Capacity
((Table 1, page B15-15 for USAF) lbs.
p =等效径向负载,磅。
GENERAL
重型服务
- 对于重型冲击负荷,频繁的冲击负荷,
或严重的振动,总计高达50%(根据严重程度
条件)到等效的径向载荷以获得
修改等效的径向负载。咨询道奇申请
工程以提供额外的选择帮助。
建议下表中显示的推力负载值
作为将提供足够的一般申请的指南
l
10
life. Where substantial radial loads are also present, it is
一个dvisable to calculate actual L
10
确保自己满足的生活
requirements.
RPM
20-200
201-2000
Over 2000
推荐的
推力负载
C/20
C/40
C/60
下面建议的轴公差足以满足
一个daptor mounted bearings. Since the allowable load, especially
低速,非常大,应检查轴
一个ssure adequate shaft strength.
((
)
((
)
10/3
C
p
16667
RPM
The magnitude and direction of both the thrust and radial load
must be taken into account when selecting a housing.
When
pillow blocks are utilized, heavy loads should be directed
通过基地。涉及隆起载荷的地方,请参见B15-
24一个nd for maximum values.
Where a load pulls the housing
远离安装底座,两个固定螺栓和
住房必须具有足够的力量。辅助负载携带
devices such as shear bars are advisable for side or end loading
of plummer blocks.
NOTE:
Spherical bearings require a radial load at least
等于适当操作的推力负载
(F
一个
/F
r
= 1). If
推力负载超过此限制,
咨询申请工程。
SHAFT TOLERANCES
Shaft
尺寸
Shaft Tolerance,
英寸
最多1-1/2”
+.000 -.002”
1-9/16至2-1/2”
+.000 -.003”
2-5/8至4英寸
+.000 -.004”
4-3/16至6英寸
+.000 -.005”
6-7/16” and above
+.000 -.006”
*
使用此值的较小或最大适配器
一个llowable thrust load list in Table 1.
SELECTING BEARING SUPPORTING RADIAL LOADS
ONLY
1.
定义
10
终身期望。
2.建立轴承负荷,f
r
F
r
= P for Pure Radial Load Conditions
p= Equivalent radial load, lbs
道奇程序Best™
★
可以用来发现
应用程序负载。
3. Establish RPM.
Using the easy selection Table 2, page B15-16 , under the RPM
column, find the equivalent radial load that equals or is higher
比所需寿命的应用径向负载。轴尺寸
on the far left will be the minimum shaft size that you can use
for your application.If the desired life is different than the values
如图所示,使用备用方法A如下所示。
★
道奇轴承Techniq评价和选择ue (BEST) is a menu driven computer program that calculates bearing
loads, fatigue life and operating temperature for a two bearing shaft system based on user supplied input parameters. This
互动程序可在产品部分区域的www.ptwizard.com上获得。