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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
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Cone/Cup Item #

(d) Bore Diameter

(D) Outside Diameter

(T) Width

369 S/363 N/A 1.8750 in N/A 3.5433 in N/A 0.7874 in
386 A/382 A N/A 1.8750 in N/A 3.8125 in N/A 0.8268 in
528/522 N/A 1.8750 in N/A 4.0000 in N/A 1.3750 in
536/532 X N/A 1.8750 in N/A 4.2500 in N/A 1.4375 in
3778/3720 N/A 1.8750 in N/A 3.6718 in N/A 1.1875 in
3779/3720 N/A 1.8750 in N/A 3.6718 in N/A 1.1875 in
55187 C/55437 N/A 1.8750 in N/A 4.3750 in N/A 1.1875 in
72187/72487 N/A 1.8750 in N/A 4.8750 in N/A 1.4375 in
M 804049/M 804010 N/A 1.8750 in N/A 3.5000 in N/A 1.0000 in
HM 804846/HM 804810 N/A 1.8750 in N/A 3.7500 in N/A 1.1875 in
5395/5335 N/A 1.9375 in N/A 4.0625 in N/A 1.7188 in
HM 807044/HM 807010 N/A 1.9375 in N/A 4.1250 in N/A 1.4375 in
28579/28520 N/A 1.9680 in N/A 3.5425 in N/A 0.9744 in
JF 5049/JF 5010 N/A 1.9685 in N/A 3.9370 in N/A 1.4173 in
JW 5049/JW 5010 N/A 1.9685 in N/A 4.1339 in N/A 1.2598 in
JLM 104945/JLM 104910 N/A 1.9685 in N/A 3.2283 in N/A 0.8465 in
JLM 104948/JLM 104910 N/A 1.9685 in N/A 3.2283 in N/A 0.8465 in
JLM 104948/LM 104911 N/A 1.9685 in N/A 3.2500 in N/A 0.8465 in
JM 205149/JM 205110 N/A 1.9685 in N/A 3.5433 in N/A 1.1024 in
JHM 807045/JHM 807012 N/A 1.9685 in N/A 4.1339 in N/A 1.4567 in
368 A/362 A N/A 2.0000 in N/A 3.5000 in N/A 0.8125 in
368 A/362 X N/A 2.0000 in N/A 3.5433 in N/A 0.9843 in
385 A/382 N/A 2.0000 in N/A 3.8750 in N/A 0.8268 in
385 A/382 A N/A 2.0000 in N/A 3.8125 in N/A 0.8268 in
455/453 X N/A 2.0000 in N/A 4.1250 in N/A 1.1875 in
Unit of Measure
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