Product> Inch tapered roller bearings
Inch tapered roller bearings

Dimention >> Other Parameters >>

Basic
Bearing
No.

Nominal Bearing Dimensions

Preferred Shoulder Diameters

d

D

T

B

C

R
(min shaft fillet)

r
(min shaft fillet)

da (min)

db (max)

Da (max)

mm inch

mm inch

mm inch

mm inch

mm inch

mm inch

mm inch

mm inch

mm inch

mm inch

LM11749/
LM11710

17.4620 39.8780 13.8430 14.605 10.688 1.300 1.300 21.500 21.600 37.100
0.6875 1.5700 0.5450 0.575 0.420 0.050 0.050 0.846 0.850 1.460

LM11949/

19.0500 45.2370 15.4940 16.6370 12.0650 1.300 1.300 23.500 23.600 41.400

LM11910

0.7500 1.7810 0.6100 0.6550 0.4750 0.050 0.050 0.925 0.930 1.630

M12649/

21.4300 50.0050 17.5260 18.2880 13.9700 1.300 1.300 25.500 25.400 46.000

M12610

0.8437 1.9687 0.6900 0.7200 0.5500 0.050 0.050 1.004 1.000 1.810

M12649A/

21.4300 50.0050 17.0261 17.7880 13.4700 1.300 1.300 25.500 25.400 46.000

M12610

0.8437 1.9687 0.6703 0.7000 0.5300 0.050 0.050 1.004 1.000 1.810

LM12749/

21.9860 45.2370 15.4940 16.6370 12.0650 1.300 1.300 27.500 25.900 41.400

LM12710

0.8656 1.7810 0.6100 0.6550 0.4750 0.050 0.050 1.183 1.020 1.630

LM12749/

21.9860 45.9740 15.4940 16.6370 12.0650 1.300 1.300 26.000 25.900 42.400

LM12711

0.8656 1.8100 0.6100 0.6550 0.4750 0.050 0.050 1.024 1.020 1.670

L44643/

25.4000 50.2920 14.2240 14.7320 10.6680 1.300 1.300 29.500 29.500 47.000

L44610

1.0000 1.9800 0.5600 0.5800 0.4200 0.050 0.050 1.161 1.160 1.850

L44649/

26.9880 50.2920 14.2240 14.7320 10.6680 3.500 1.300 31.000 31.000 47.000

L44610

1.0625 1.9800 0.5600 0.5800 0.4200 0.140 0.050 1.220 1.220 1.850

L45449/

29.0000 50.2920 14.2240 14.7320 10.6680 3.500 1.300 33.000 33.000 48.000

L45410

1.1417 1.9800 0.5600 0.5800 0.4200 0.140 0.050 1.299 1.300 1.890

LM67048/

31.7500 59.1310 15.8750 16.7640 11.8110 ... 1.300 36.000 36.100 55.900

LM67010

1.2500 2.3280 0.6250 0.6600 0.4650 ... 0.050 1.417 1.420 2.200

LM48548/

34.9250 65.0880 18.0340 18.2880 13.9700 ... 1.300 40.000 39.900 61.000

LM48510

1.3750 2.5625 0.7100 0.7200 0.5500 ... 0.050 1.575 1.570 2.400

L68149/

34.9880 59.1310 15.8750 16.7640 11.9380 ... 1.300 45.500 39.100 55.900

L68110

1.3775 2.3280 0.6250 0.6600 0.4700 ... 0.050 1.791 1.540 2.200

L68149/

34.9880 59.9740 15.8750 16.7640 11.9380 ... 1.300 39.000 39.100 55.900

L68111

1.3775 2.3612 0.6250 0.6600 0.4700 ... 0.050 1.535 1.540 2.200

JL69349/

38.0000 63.0000 17.0000 17.0000 13.5000 ... 1.300 42.500 41.400 61.200

JL69310

1.4961 2.4803 0.6693 0.6693 0.5315 ... 0.050 1.673 1.630 2.410

LM78349/

34.9880 61.9730 16.7000 17.0000 13.6000 ... 1.500 46.000 40.000 54.000

LM78310

1.3775 2.4399 0.6575 0.6693 0.5354 ... 0.059 1.811 1.575 2.126

JL68145/

34.9880 59.9740 15.8750 18.4610 11.9380 ... 1.300 45.500 39.000 53.000

JL68111

1.3774 2.3612 0.6250 0.7268 0.4700 ... 0.512 1.791 1.535 2.087

329013

29.0000
1.1417 		50.2920
1.9800 		14.2240
0.5600 		17.6000
0.6929 		10.6680
0.4200 		3.500
0.138 		1.3000
0.0512 		39.500
1.555 		33.000
1.299 		44.500
1.752

NOTES:
1) These maximum fillet radii will be cleared by the bearing corners. 2) Minus value indicate center is inside cone backface. 3) Please refer to the picture above for the size of the leading angle marked with star.

Basic
Bearing
No.

Basic Load
Ratings

Effective
load center 		Constant

Axial
load factors

Limiting Speeds
(1000 RPM)

Bearing Weight
(Approx.)

Cr
KN

Cor
KN

a
mm 		e

Y2

Y0

Grease
rpm

Oil
rpm

Weight
Ibs kg
LM11749/
LM11710 		23.8 24.2 5.1 0.29 2.10 1.15 10000 13000 0.185 0.084
LM11949/
LM11910 		28.5 28.9 5.6 0.30 2.00 1.10 9000 12000 0.268 0.122
M12649/
M12610 		38.5 40.0 6.4 0.28 2.16 1.19 8000 11000 0.372 0.169
M12649A/
M12610 		37.6 40.8 6.4 0.28 2.16 1.19 8000 11000 0.360 0.163
LM12749/
LM12711 		29.6 34.0 5.3 0.31 1.96 1.08 8500 11000 0.271 0.123
LM12749/
LM12711 		29.6 34.0 5.3 0.31 1.96 1.08 8400 11000 0.271 0.123
L44643/
L44610 		28.8 34.0 3.3 0.37 1.60 0.88 7400 10000 0.286 0.130
L44649/
L44610 		28.8 34.0 3.3 0.37 1.60 0.88 7400 10000 0.264 0.120
L45449/
L45410 		28.0 35.5 3.5 0.37 1.62 0.89 7200 9600 0.251 0.114
LM67048/
LM67010 		34.5 41.5 3.8 0.41 1.46 0.80 6300 8500 0.400 0.182
LM48548/
LM48510 		47.5 47.5 3.1 0.38 1.59 0.88 5700 7600 0.548 0.249
L68149/
L68110 		35.5 47.5 2.5 0.42 1.44 0.79 6000 8000 0.385 0.175
L68149/
L68111 		35.5 47.5 2.5 0.42 1.44 0.79 6100 8100 0.403 0.183
JL69349/
JL69310 		38.5 52.5 2.3 0.42 1.44 0.79 5700 7600 0.436 0.198
LM78349/
LM78310 		38.0 50.0 14.4 0.44 1.40 0.74 5600 8000 0.603 0.204
JL68145/
JL68111 		35.0 47.0 13.2 0.42 1.40 0.79 6000 8000 0.406 0.184
329013 26.8 34.0 10.8 0.37 1.6 0.89 14000 17000 0.256 0.116

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