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ENGINEERING

Table 1

Bearing Description

Bearing Type and/or Series

RADIAL TYPE BALL BEARINGS

MM9300K MM9100K MM200K MM300K

ANGULAR CONTACT BALL BEARINGS

2MM9100WI 2MMV99100WN 2MM9300WI 2MM200WI 2MM300WI

2MM9100WO

3MM9100WI 3MM200WI 3MM300WI

3MMV99100WN

KT

Y1

0.015

2.30

0.020

2.22

0.025

2.10

0.030

2.00

0.040

1.86

0.050

1.76

0.060

1.68

0.080

1.57

0.100

1.48

0.120

1.42

0.150

1.34

0.200

1.25

0.250

1.18

0.300

1.13

0.400

1.05

0.500

1.00

0.600

0.800

1.000

1.200

Table 2

Y2

1.47 1.44 1.41

1.39 1.35 1.32

1.29 1.25 1.21

1.19 1.14 1.09

1.05 1.02 1.00

1.00

E42

or

or

Single Row Bearings and Tandem Mountings

Double Row Bearings and Preload Pair Mountings

KT =

T i B C o

KT =

T Co

Use larger of Resulting “P” Value

P=R

P = R + 1.20Y1T

or

or

P = 0.56R + Y1T

P = 0.78R + 1.625Y1T

P=R

P = R + 1.124Y3T

or

or

P = 0.44R + Y3T

P = 0.72R + 1.625Y3T

P=R

P = R + 1.124Y2T

or

or

P = 0.44R + Y2T

P = 0.72R + 1.625Y2T

P=R

P = R + 0.92T

or

or

P = 0.41R + 0.87T

P = 0.67R + 1.41T

Y3

1.60 1.59 1.57

Obtain the DYNAMIC LOAD RATING ADJUSTMENT FACTOR, fB, from Table 3. This factor accounts for the number of active bearings (iB) mounted adjacent to one another.

1.56 1.55 1.53

fB = (iB)0.7 Table 3

1.51 1.49 1.47

iB f B

1 1.00

2

3

4

5

1.62

2.16

2.64

3.09

1.45 1.42 1.39

1.35 1.33 1.29

1.25 1.22 1.17

The load ratings published in this catalog are based on ABMA Standard 9, but are increased to reflect improvements in materials and processing. These ratings are referred to as EXTENDED BASIC DYNAMIC LOAD RATINGS, CE. Care must be taken that the EXTENDED BASIC DYNAMIC LOAD RAT- INGS only be used in equations containing CE, and should not be used in any equations in prior published catalogs.

1.13 1.10

NOTE: CE does not represent the maximum permissible radial load which in general is equal to Co the Static Radial Load Ratings.

102800

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