NTN - Large Bearings

Double Row Tapered Roller Bearings (Inside Direction)
Sa
Da
r1a
ra
da
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 Y1 0.67 Y2
static
PorFrYoFa
For values of e, Y2 and Yo
see the table below.
Bearing numbers Abutment and Load 1 Constant Axial load factors Mass
fillet dimensions center
mm mm kg
d a D a r as r las
min min max max a e Y 1 Y 2 Y o (approx.)
LM767745D/LM767710+A 418 510 1.5 6.4 78 0.48 1.42 2.11 1.38 97.4
LM767749D/LM767710+A 427 510 1.5 6.4 78 0.48 1.42 2.11 1.38 90.5
EE833160XD/833232+A 435 549 3.3 6.4 5.5 0.33 2.07 3.09 2.03 175
M667947D/M667910G2+A 431 510 1.5 6.4 47 0.42 1.61 2.40 1.58 104
T-M268749D/M268710G2+A 444 549 3.3 6.4 0.5 0.33 2.03 3.02 1.98 181
T-LM869449D/LM869410+A 453 537 1.5 3.3 113 0.55 1.24 1.84 1.21 92.1
LM769349D/LM769310+A 453 534 1.5 6.4 62.5 0.44 1.52 2.26 1.49 112
M270749D/M270710AG2+A 478 591 3.3 6.4 0.5 0.33 2.03 3.02 1.98 224
L770847D/L770810AG2+A 478 567 1.5 3.3 97 0.47 1.43 2.12 1.40 96.7
L770849D/L770810+A 478 567 1.5 3.3 97 0.47 1.43 2.12 1.40 96.7
T-M272749D/M272710G2+A 510 633 3.3 6.4 1.5 0.33 2.03 3.02 1.98 293
LM272249D/LM272210G2+A 504 585 3.3 6.4 35.5 0.33 2.03 3.02 1.98 115
M272647D/M272610G2+A 510 609 3.3 6.4 18 0.33 2.03 3.02 1.98 185
LM772749D/LM772710A+A 516 600 3.3 3.3 95 0.47 1.43 2.12 1.40 124
M274149D/M274110G2+A 534 663 3.3 6.4 –1.5 0.33 2.03 3.02 1.98 314
LM274449D/LM274410+A 540 636 3.3 6.4 23 0.33 2.03 3.02 1.98 189
M275349D/M275310G2+A 552 684 3.3 6.4 –1.5 0.33 2.03 3.02 1.98 348
M276448D/M276410G2+A 564 711 3.3 6.4 1 0.33 2.03 3.02 1.98 389
M276449D/M276410G2+A 564 711 3.3 6.4 1 0.33 2.03 3.02 1.98 389
EE843220D/843290+A 585 699 3.3 6.4 64.5 0.34 1.98 2.94 1.93 177
LM377449D/LM377410G2+A 588 696 3.3 6.4 43 0.35 1.95 2.9.0 1.91 223
M278749D/M278710AG2+A 609 756 3.3 6.4 0 0.33 2.03 3.02 1.98 470
LM778549D/LM778510G2+A 615 717 3.3 6.4 108 0.47 1.43 2.14 1.40 223
1 "" means the load center is out side the inner ring.
B-167