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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

HM 813842/HM 813810 N/A 2.5000 in N/A 5.0000 in N/A 1.4375 in
JD 6549/JD 6510 N/A 2.5591 in N/A 4.3307 in N/A 1.2205 in
JH 211749/JH 211710 N/A 2.5591 in N/A 4.7244 in N/A 1.5354 in
JM 511946/JM 511910 N/A 2.5591 in N/A 4.3307 in N/A 1.1024 in
6379/6320 N/A 2.5625 in N/A 5.3447 in N/A 2.1250 in
H 715340/H 715311 N/A 2.5625 in N/A 5.3750 in N/A 1.8125 in
H 212749/H 212710 N/A 2.5979 in N/A 4.8809 in N/A 1.6339 in
395 A/394 A N/A 2.6250 in N/A 4.3307 in N/A 0.8661 in
395 S/394 A N/A 2.6250 in N/A 4.3307 in N/A 0.8661 in
641/632 N/A 2.6250 in N/A 5.3750 in N/A 1.6250 in
3984/3920 N/A 2.6250 in N/A 4.4375 in N/A 1.1875 in
3984/3925 N/A 2.6250 in N/A 4.4375 in N/A 1.1875 in
3994/3920 N/A 2.6250 in N/A 4.4375 in N/A 1.1875 in
3994/3927 X N/A 2.6250 in N/A 4.3307 in N/A 1.1875 in
6386/6320 N/A 2.6250 in N/A 5.3447 in N/A 2.1250 in
29590/29520 N/A 2.6250 in N/A 4.2500 in N/A 1.0000 in
29590/29522 N/A 2.6250 in N/A 4.2500 in N/A 1.0000 in
33262/33462 N/A 2.6250 in N/A 4.6250 in N/A 1.1875 in
39590/39520 N/A 2.6250 in N/A 4.4375 in N/A 1.1875 in
HM 212049/HM 212010 N/A 2.6250 in N/A 4.8125 in N/A 1.5000 in
HM 212049/HM 212011 N/A 2.6250 in N/A 4.8125 in N/A 1.5000 in
H 715341/H 715311 N/A 2.6250 in N/A 5.3750 in N/A 1.8125 in
399 A/394 A N/A 2.6875 in N/A 4.3307 in N/A 0.8661 in
399 AS/394 A N/A 2.6875 in N/A 4.3307 in N/A 0.8661 in
9278/9220 N/A 2.6875 in N/A 6.3750 in N/A 1.9375 in
Unit of Measure
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