Four-row Tapered Roller Bearings

Four-row tapered roller bearings can accommodate combined (radial and axial) loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills.

Part Number	ID	OD	Width(Inner Rings)	Width(Outter Rings)	Dynamic Load
BT4B 332824 E/C475	395 mm	545 mm	268 mm	288.9 mm	1080000 lbf
BT4B 334042 E1/C575	385.762 mm	514.35 mm	317.5 mm	317.5 mm	879750 lbf
BT4B 334128/HA1	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1449000 lbf
BT4-8025 G/HA1C300VA903	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1386000 lbf
331149 E/C675	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1800000 lbf
BT4-8086 G/HA1	380 mm	736.676 mm	300 mm	300 mm	940500 lbf
BT4-8033 G/HA1	380 mm	560 mm	390 mm	360 mm	1509750 lbf
331159 A	368.3 mm	523.875 mm	382.588 mm	382.588 mm	1410750 lbf
332059	360 mm	510 mm	380 mm	380 mm	1262250 lbf
BT4B 328912 E3/C675	355.6 mm	488.95 mm	317.5 mm	317.5 mm	1147500 lbf
BT4B 328912 E1/C300	355.6 mm	488.95 mm	317.5 mm	317.5 mm	1147500 lbf
BT4B 328870 EX1/C300	355.6 mm	482.6 mm	265.113 mm	269.875 mm	798750 lbf
BT4-8162 E81/C480	355.6 mm	482.6 mm	265.113 mm	269.875 mm	933750 lbf
BT4-8162 E8/C480	355.6 mm	482.6 mm	265.113 mm	269.875 mm	933750 lbf
331271	355.6 mm	488.95 mm	317.5 mm	317.5 mm	929250 lbf
BT4-8070 G/HA1VA901	347.662 mm	469.9 mm	292.1 mm	292.1 mm	879750 lbf
331092 A	347.662 mm	469.9 mm	292.1 mm	292.1 mm	855000 lbf
BT4B 331228 G/HA1C200	346.075 mm	488.95 mm	358.775 mm	358.775 mm	1188000 lbf
BT4B 328817 EX1/C475	343.052 mm	457.098 mm	254 mm	254 mm	697500 lbf
BT4B 328817 E1/C475	343.052 mm	457.098 mm	254 mm	254 mm	753750 lbf
BT4-8160 E81/C475	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf
BT4-8160 E81/C400	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf
BT4-8160 E8/C475	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf
331381	333.375 mm	469.9 mm	342.9 mm	342.9 mm	1101825 lbf
BT4-8113 E2/C500	330.302 mm	438.023 mm	247.65 mm	254 mm	765000 lbf
BT4B 332647 G/HA1	330.2 mm	444.5 mm	301.625 mm	301.625 mm	830250 lbf
BT4B 334023 E1/C675	317.5 mm	422.275 mm	269.875 mm	269.875 mm	643500 lbf
BT4B 331161 BG/HA1	317.5 mm	447.675 mm	327.025 mm	327.025 mm	1064250 lbf
BT4B 331161 AG/HA4	317.5 mm	447.675 mm	327.025 mm	327.025 mm	990000 lbf
330870 BG	317.5 mm	422.275 mm	269.875 mm	269.875 mm	756000 lbf

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