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
139.7 mm x 200.025 mm x 157.162 mm skf 331138 AG Four-row tapered roller bearings, TQO design	Steel	49900	Flat	Metric System
304.902 mm x 412.648 mm x 266.7 mm skf 330758 BG Four-row tapered roller bearings, TQO design	66	7 Days	1045 Carbon Steel	Round Type
489.026 mm x 634.873 mm x 320.675 mm skf BT4B 334014 G/HA1VA901 Four-row tapered roller bearings, TQO design	6 Days	Bearings with Housin	Available	Height Selection
558.8 mm x 736.6 mm x 455.612 mm skf BT4B 331346 A/HA1 Four-row tapered roller bearings, TQO design	Deep Groove Ball Bea	Single	Available	Compact Type
409.575 mm x 546.1 mm x 334.962 mm skf BT4B 329004 BG/HA1VA901 Four-row tapered roller bearings, TQO design	Deep Groove Ball Bea	Bearings with Housin	Black Oxide Coating	Double
603.25 mm x 857.25 mm x 622.3 mm skf BT4B 331625 E/C800 Four-row tapered roller bearings, TQO design	Cylindrical Bore Set	68200	Take-Up Type	No
330.2 mm x 444.5 mm x 301.625 mm skf BT4B 332647 G/HA1 Four-row tapered roller bearings, TQO design	25 mm	19.05 mm	31.75 mm	M6x1
431.8 mm x 571.5 mm x 336.55 mm skf BT4B 331226 AG/HA1 Four-row tapered roller bearings, TQO design	7	No	Metric System	No
750 mm x 950 mm x 410 mm skf BT4-8048 E/C725 Four-row tapered roller bearings, TQO design	Bearings with Housin	Black Oxide Coating	Flange Type	Deep Groove Ball Bea
355.6 mm x 482.6 mm x 265.113 mm skf BT4-8162 E81/C480 Four-row tapered roller bearings, TQO design	Available	1045 Carbon Steel	Black Oxide Coating	Flanged Pilot Type
380 mm x 560 mm x 325 mm skf BT4B 328294/HA1 Four-row tapered roller bearings, TQO design	Ball	Metric System	Radial	Punching
304.902 mm x 412.648 mm x 266.7 mm skf BT4-0016 G/HA1C445VA901 Four-row tapered roller bearings, TQO design	Ball Bearing	0.625 Inch \| 15.875	Single Row Ball Bear	NTN