Four Row Bearings

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TQO (Straight Bore Four-Row Assembly) TQO bearings are directly mounted and comprised of two double inner races, two single and one double outer race, with an inner race spacer and two outer race spacers. Slots in the inner race spacer permit lubricant to flow from the bearing chamber to the roll neck. The inner race spacers are hardened to minimize face wear.Four-row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses.

In four-row cylindrical roller bearings, the rollers are guided between integral or non-integral flanges on the outer ring. The inner ring is without flanges; axial displacement of the shaft with respect to the housing can therefore be accommodated by the bearing within certain limits.

Bearing Number	Bore Dia	Outer DIa	Width	Size
NTN M757449D/M757410/M757410D Four Row Bearings	Single Row Ball Bear	31171504	1.575 Inch \| 40 Mill	0.472 Inch \| 12 Mill
NTN CRO-5684 Four Row Bearings	0.0	4012802242768	INA	N/A
NTN CRO-16803 Four Row Bearings	8865590636068	M06110	PEER BEARING CO.	0.0
NTN CRO-11701 Four Row Bearings	31171500	Housing Bearing	4549557030307	Double Direction
NTN CRO-3663 Four Row Bearings	Bearing	No	31171512	1.19
NTN CRO-6204 Four Row Bearings	7.125 Inch \| 180.975	4 Bolt Pillow Block	Double Row	329.15
NTN CRO-10607LL Four Row Bearings	SKF	Felt	M06288	7316572196939
NTN CRO-3210 Four Row Bearings	4	8 Inch \| 203.2Millim	Pillow Block Bearing	Expansion
NTN CRO-4303LL Four Row Bearings	NTN	NTN	0.01	0.0
NTN CRO-4901 Four Row Bearings	N/A	SCHAEFFLER GROUP	4.3	0.0
NTN CRO-5001 Four Row Bearings	62 mm	Yes	Sealed	7316571594408
NTN CRO-5307 Four Row Bearings	Adapter Sleeve	Bearing	Ball Bearing	13/32 Inch