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
300 mm x 440 mm x 280.988 mm skf BT4B 328725 G/HA1 Four-row tapered roller bearings, TQO design	14.9 mm	R1/8"	3.58 kg	FLE212N-
406.4 mm x 565.15 mm x 381 mm skf BT4B 331347 AG/HA1 Four-row tapered roller bearings, TQO design	Open Type	Steel	Angular Contact Ball	Steel
1580 mm x 1960 mm x 1080 mm skf BT4B 331934/HA4 Four-row tapered roller bearings, TQO design	304 Stainless Steel	6	8 Days	Deep Groove Ball Bea
431.8 mm x 571.5 mm x 279.4 mm skf 331125 A Four-row tapered roller bearings, TQO design	Cylindrical Bore Set	No	Used for Light load	6650
584.2 mm x 762 mm x 396.875 mm skf 331148 A Four-row tapered roller bearings, TQO design	25	6	Electroless Nickel P	For Outer Ring
660.4 mm x 812.8 mm x 365.125 mm skf BT4B 331190 BG/HA1 Four-row tapered roller bearings, TQO design	Needle Roller Bearin	304 Stainless Steel	Single	60
280 mm x 406.4 mm x 298.45 mm skf BT4-0026 A/PEX Four-row tapered roller bearings, TQO design	20	Bottom Mount	6	Single
457.2 mm x 596.9 mm x 276.225 mm skf 331169 BG Four-row tapered roller bearings, TQO design	NTN	12 mm	-20 °C	4 mm