Four-row tapered roller bearings, TQO design

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Four row tapered roller bearings are the one kind of roll neck bearings, their radial and axial loading capacity are high, can carry heavy axail loads in two directions, and their radial loading capacity is 3 times heavier than single row tapered roller bearings, but limiting speed is lower.Four row tapered roller bearings are the one kind of roll neck bearings, their radial and axial loading capacity are high, can carry heavy axail loads in two directions, and their radial loading capacity is 3 times heavier than single row tapered roller bearings.

The four-row tapered roller bearings has the same load capacity as the double-row tapered roller bearing, but its radial load bearing capacity is greater, the limit speed is slightly lower, the basic size is larger, and it is often used in heavy machinery.

Bearing Number	Bore Dia	Outer DIa	Width	Size
333.375 mm x 469.9 mm x 342.9 mm skf 331381 Four-row tapered roller bearings, TQO design	For Inner Ring	6	9	6
420 mm x 560 mm x 437 mm skf BT4B 328826 G/HA1 Four-row tapered roller bearings, TQO design	Round Type	Bearings with Housin	25	Electroless Nickel P
457.073 mm x 730.148 mm x 412.75 mm skf BT4B 328287 G/HA1 Four-row tapered roller bearings, TQO design	7900	12	16/6* series	Steel
482.6 mm x 615.95 mm x 330.2 mm skf BT4-8163 E8A/C725 Four-row tapered roller bearings, TQO design	-25 °C	CN	122 mm	2.1 mm
384.175 mm x 546.1 mm x 400.05 mm skf BT4B 334128/HA1 Four-row tapered roller bearings, TQO design	23000	Needle Roller	Standard	Flat
440 mm x 580 mm x 360 mm skf BT4-8124 E/C550 Four-row tapered roller bearings, TQO design	No	[Steel] Steel	No	Rubber Sealed
216.103 mm x 330.2 mm x 263.525 mm skf BT4B 328204/HA1 Four-row tapered roller bearings, TQO design	144 mm	1 kg	-20 °C	22.22 mm
279.578 mm x 380.943 mm x 244.475 mm skf 330540 AG Four-row tapered roller bearings, TQO design	19500	Cast Iron	30	SH33M
276.225 mm x 393.7 mm x 269.875 mm skf BT4-0012 G/HA1C500VA901 Four-row tapered roller bearings, TQO design	No	90	Cylindrical Bore Set	6
708.025 mm x 930.275 mm x 565.15 mm skf BT4B 332098 A/HA4 Four-row tapered roller bearings, TQO design	6	Single Track	Class 0	440C Stainless Steel
220.662 mm x 314.325 mm x 239.712 mm skf BT4-0040 E8/C355 Four-row tapered roller bearings, TQO design	Not Provided	Double	6	8 Days
346.075 mm x 488.95 mm x 358.775 mm skf BT4B 331228 G/HA1C200 Four-row tapered roller bearings, TQO design	12.7 kN	100 °C	-20 °C	32 mm