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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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Four point angular contact bearings support high axial loads in both directions. The design provides high stiffness with minimum deflection. The split inner ring design also allows for high speeds when used with a machined cage. Available in bore dimension from 20mm to 240mm.
BB24-QJ
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Item #

(d) Bore Diameter

(D) Outside Diameter

(B) Width

(C) Dynamic Load

(Co) Static Load

(Grease) Lubrication Speed

(Oil) Lubrication Speed

QJ 248 N/A 240 mm N/A 440 mm N/A 72 mm N/A 650000 N N/A 1200000 N N/A 1000 r/min N/A 1500 r/min
QJ 303 N/A 17 mm N/A 47 mm N/A 14 mm N/A 23400 N N/A 15000 N N/A 12000 r/min N/A 17000 r/min
QJ 304 N/A 20 mm N/A 52.000 mm N/A 15 mm N/A 29600 N N/A 20000 N N/A 10000 r/min N/A 15000 r/min
QJ 306 N/A 30 mm N/A 72 mm N/A 19 mm N/A 49400 N N/A 39000 N N/A 7500 r/min N/A 10000 r/min
QJ 307 N/A 35 mm N/A 80.000 mm N/A 21 mm N/A 59200 N N/A 46500 N N/A 7000 r/min N/A 9500 r/min
QJ 308 N/A 40 mm N/A 90 mm N/A 23 mm N/A 71500 N N/A 58500 N N/A 6300 r/min N/A 8500 r/min
QJ 309 N/A 45 mm N/A 100 mm N/A 25 mm N/A 93600 N N/A 76500 N N/A 5600 r/min N/A 7500 r/min
QJ 310 N/A 50 mm N/A 110.000 mm N/A 27 mm N/A 111000 N N/A 91500 N N/A 5000 r/min N/A 6700 r/min
QJ 311 N/A 55 mm N/A 120 mm N/A 29 mm N/A 127000 N N/A 108000 N N/A 4500 r/min N/A 6000 r/min
QJ 312 N/A 60 mm N/A 130.000 mm N/A 31 mm N/A 146000 N N/A 125000 N N/A 4300 r/min N/A 5600 r/min
QJ 313 N/A 65.000 mm N/A 140.000 mm N/A 33 mm N/A 165000 N N/A 146000 N N/A 4000 r/min N/A 5300 r/min
QJ 314 N/A 70.000 mm N/A 150.000 mm N/A 35 mm N/A 186000 N N/A 166000 N N/A 3600 r/min N/A 4800 r/min
QJ 315 N2 N/A 75.000 mm N/A 160.000 mm N/A 37 mm N/A 199000 N N/A 186000 N N/A 3400 r/min N/A 4500 r/min
QJ 316 N2 N/A 80.000 mm N/A 170.000 mm N/A 39 mm N/A 216000 N N/A 208000 N N/A 3200 r/min N/A 4300 r/min
QJ 317 N2 N/A 85.000 mm N/A 180.000 mm N/A 41 mm N/A 234000 N N/A 236000 N N/A 3000 r/min N/A 4000 r/min
QJ 318 N2 N/A 90.000 mm N/A 190.000 mm N/A 43 mm N/A 265000 N N/A N/A 2800 r/min N/A 3800 r/min
QJ 319 N2 N/A 95.000 mm N/A 200.000 mm N/A 45 mm N/A 286000 N N/A 315000 N N/A 2600 r/min N/A 3600 r/min
QJ 320 N2 N/A 100.000 mm N/A 215 mm N/A 47 mm N/A 307000 N N/A 340000 N N/A 2400 r/min N/A 3400 r/min
QJ 322 N2 N/A 110.000 mm N/A 240 mm N/A 50 mm N/A 364000 N N/A 430000 N N/A 2000 r/min N/A 3000 r/min
QJ 324 N2 N/A 120.000 mm N/A 260 mm N/A 55 mm N/A 390000 N N/A 490000 N N/A 1900 r/min N/A 2800 r/min
QJ 326 N2 N/A 130 mm N/A 280 mm N/A 58 mm N/A 423000 N N/A 560000 N N/A 1800 r/min N/A 2600 r/min
QJ 328 N2 N/A 140 mm N/A 300 mm N/A 62 mm N/A 468000 N N/A 640000 N N/A 1700 r/min N/A 2400 r/min
QJ 330 N2 N/A 150 mm N/A 320 mm N/A 65 mm N/A 494000 N N/A 710000 N N/A 1600 r/min N/A 2200 r/min
QJ 332 N/A 160 mm N/A 340 mm N/A 68 mm N/A 540000 N N/A 815000 N N/A 1500 r/min N/A 2000 r/min
QJ 334 N2 N/A 170 mm N/A 360 mm N/A 72 mm N/A 618000 N N/A 965000 N N/A 1400 r/min N/A 1900 r/min
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