KOYO Bearing

KOYO tapered roller bearings M276449/M276410

KOYO BEARING

Tapered roller bearings

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KOYO BEARING

Boundary dimensions

d                           D                       T                     B                     C              r        r1    mm         1/25.4           mm       1/25.4         mm     1/25.4       mm     1/25.4        mm     1/25.4     min.   min.

 

Bearing No. 1)

De-   sign   Basic load ratings

(kN)

Cr              C0r

Fatigue   load limit

(kN)

Cu

Load

center (mm)

a

 

da

min.

 

db

max.

Mounting dimensions

(mm)

Da                       Db           Sa         Sb          ra           rb

max.      min.       min.     min.   min.   max.   max.

Con-

stant

e

Axial load factors

Y1            Y0

(Refer.)

Mass

(kg)

489.026  19.2530 634.873  24.9950 80.963 3.1875 80.963 3.1875 63.500 2.5000 6.4     3.2 EE243192/243250 1   1 660       3 290 292 100.0 510       530        620        595        605        9      17.5     6.4      3.2 0.34 1.75    0.96 63.2
498.475  19.6250 634.873  24.9950 80.963 3.1875 80.963 3.1875 63.500 2.5000 6.4     3.2 EE243196/243250 1   1 660       3 290 292 100.0 520       530        620        595        605        9      17.5     6.4      3.2 0.34 1.75    0.96 58.6
501.650  19.7500 711.200  28.0000 136.525 5.3750 136.525 5.3750 106.363 4.1875 6.4     6.4 M274149/M274110 1-P   3 590       6 410 551 126.8 525        550         685         655         675      10       30.2       6.4      6.4 0.33 1.80    0.99 164
520.700  20.5000 736.600  29.0000 88.900 3.5000 81.758 3.2188 53.975 2.1250 6.4     3.2 EE982051/982900 1-P   1 840       2 580 238 136.4 545        570         720         675         690        5       34.9       6.4      3.2 0.48 1.26    0.69 97.5
536.575  21.1250 761.873  29.9950 146.050 5.7500 146.050 5.7500 114.300 4.5000 6.4     6.4 M276449/M276410 1-P   4 120       7 190 595 135.7 560        580         740         700         720        9       31.8       6.4      6.4 0.33 1.80    0.99 202
539.750  21.2500 635.000  25.0000 50.800 2.0000 50.800 2.0000 38.100 1.5000 6.4     6.4 LL575349/LL575310 1   943       1 970 175 101.4 565       560        610        610        620        9      12.7     6.4     6.4 0.41 1.48    0.81 25.7
549.097  21.6180 692.150  27.2500 80.963 3.1875 80.962 3.1875 61.913 2.4375 6.4     6.4 L476548/L476510 1   1 760       3 700 325 113.6 570       580        670        650        660        9      19.1     6.4     6.4 0.38 1.59    0.88 67.7
549.275  21.6250 692.150  27.2500 80.963 3.1875 80.963 3.1875 61.913 2.4375 6.4     6.4 L476549/L476510 1   1 760       3 700 325 113.6 575       580        670        650        660        9      19.1     6.4     6.4 0.38 1.59    0.88 67.5
558.800  22.0000 736.600  29.0000 88.108 3.4688 88.108 3.4688 63.500 2.5000 6.4     6.4 EE843220/843290 1-P   2 170       4 020 357 110.7 580       610        710        695        705        9      24.6      6.4     6.4 0.34 1.75    0.96 94.2
584.200  23.0000 685.800  27.0000 49.213 1.9375 49.213 1.9375 34.925 1.3750 3.6     3.2 LL778149/LL778110 1   908       1 930 172 113.8 600        610         670         660         665      10        14.3      3.6      3.2 0.44 1.36    0.75 29.4
607.720  23.9260 787.400  31.0000 93.663 3.6875 93.663 3.6875 69.850 2.7500 6.4     6.4 EE649239/649310 1-P   2 480       4 970 420 126.9 630        650         760         740         750      12        23.8      6.4      6.4 0.37 1.61    0.89 113
609.600  24.0000 24.0000

24.0000

762.000 787.400 812.800 30.0000 31.0000

32.0000

95.250 3.7500 93.663 3.6875 82.550 3.2500 92.075 3.6250 93.663 3.6875 82.550 3.2500 71.438 2.8125 69.850 2.7500 60.325 2.3750 6.4      6.4 6.4      6.4 6.4      6.4 L879947/L879910

EE649240/649310

EE743240/743320

1   1-P

1-P

  2 140

2 480

2 390

4 510

4 970

4 290

379

420

371

153.0 126.9 112.7 635

635

635

640

650

660

735

760

790

720

740

755

740

750

765

9

12

12

23.8

23.8

22.2

6.4

6.4

6.4

6.4 6.4 6.4 0.49

0.37

0.33

1.23

1.61

1.83

0.67

0.89

1.01

91.2

112

112

660.400  26.0000 854.075  33.6250 85.725 3.3750 85.468 3.3649 60.325 2.3750 9.5     6.4 EE749260/749336 1-P   2 280        4 000 345 125.1 690       705        830        800        810        8      25.4      9.5     6.4 0.35 1.71    0.94 111
685.800  27.0000 876.300  34.5000 93.663 3.6875 92.075 3.6250 69.850 2.7500 6.4     6.4 EE655270/655345 1-P   2 570       5 390 440 149.1 710       735        850        830        840        9      23.8      6.4     6.4 0.42 1.44    0.79 132
749.300  29.5000 990.600  39.0000 159.500 6.2795 160.338 6.3125 123.000 4.8425 6.4     6.4 LM283649/LM283610 1-P   5 730     11 900 890 261.4 775        800         960         930         950      12       36.5       6.4      6.4 0.32 1.88     1.04 327
759.924  29.9183 889.000  35.0000 88.900 3.5000 88.900 3.5000 71.999 2.8346 3.2     3.2 L183448/L183410 1   2 330       5 630 451 123.1 780       785        870        860        870      11      16.9     3.2     3.2 0.31 1.97     1.08 90.5

CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.

Contact us if any bearing in demand . we will check and revert ASAP.

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