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Emerson Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@emersonbearing.com
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Inch Style Taper Roller bearings are designed to take combined heavy radial and thrust loads. Since the bearings can only support axial loads in one direction, a second laterally reversed bearing is required for counterstay.
Taper Roller Bearings Inches
Unit of Measure
« 6 7 8 9 10 »  

Cone/Cup Item #

(d) Bore Diameter

(D) Outside Diameter

(T) Width

LM 48548 RS/ LM 48510 N/A 1.3750 in N/A 2.5625 in N/A 0.7100 in
HM 88649/HM 88610 N/A 1.3750 in N/A 2.8438 in N/A 1.0000 in
HM 89446/HM 89410 N/A 1.3750 in N/A 3.0000 in N/A 1.1563 in
L 68149/L 68110 N/A 1.3774 in N/A 2.3280 in N/A 0.6250 in
L 68149/L 68111 N/A 1.3774 in N/A 2.3612 in N/A 0.6250 in
L 68149/L 68116 N/A 1.3774 in N/A 2.5625 in N/A 0.6250 in
LM 78349/LM 78310 A N/A 1.3774 in N/A 2.4409 in N/A 0.6575 in
JL 68145/JL 68111 Z N/A 1.3780 in N/A 2.3622 in N/A 0.6250 in
HM 88648/HM 88610 N/A 1.4062 in N/A 2.8438 in N/A 1.0000 in
2780/2720 N/A 1.4365 in N/A 3.0000 in N/A 0.9375 in
2780/2729 N/A 1.4365 in N/A 3.0000 in N/A 0.9375 in
25880/25820 N/A 1.4365 in N/A 2.8750 in N/A 0.9375 in
25880/25821 N/A 1.4365 in N/A 2.8750 in N/A 0.9375 in
3878/3820 N/A 1.4375 in N/A 3.3750 in N/A 1.1875 in
HM 89448/HM 89410 N/A 1.4375 in N/A 3.0000 in N/A 1.1563 in
HM 89449/HM 89410 N/A 1.4375 in N/A 3.0000 in N/A 1.1563 in
JL 69345/JL 69310 N/A 1.4961 in N/A 2.4803 in N/A 0.6693 in
JL 69345/JL 69310 Z N/A 1.4961 in N/A 2.4803 in N/A 0.6693 in
JL 69349/JL 69310 N/A 1.4961 in N/A 2.4803 in N/A 0.6693 in
418/414 N/A 1.5000 in N/A 3.4843 in N/A 1.0625 in
2788/2720 N/A 1.5000 in N/A 3.0000 in N/A 0.9375 in
2788/2729 N/A 1.5000 in N/A 3.0000 in N/A 0.9375 in
3381/3320 N/A 1.5000 in N/A 3.1562 in N/A 1.1563 in
3490/3420 N/A 1.5000 in N/A 3.1250 in N/A 1.1563 in
13685/13621 N/A 1.5000 in N/A 2.7170 in N/A 0.7500 in
Unit of Measure
« 6 7 8 9 10 »