Four-row tapered roller bearings, TQO design

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Depending on their design, four-row tapered roller bearings provide the following main features and benefits: Long service life The four-cup design (four separate outer rings) provides optimal load distribution over all four rows of rollers. Enhanced operational reliability.Design Attributes: Two tapered-bore single cones, one tapered-bore double cone, four single cups and three cup spacers. Front faces of single cones and both faces of double cone are extended to contact each other. Tapered cone bores are matched for continuous taper through the cones.

For metric-design medium-angle and steep-angle tapered roller bearings, the respective contact angle symbol C or D is added after the bore number. For normal-angle tapered roller bearings, no contact angle symbol is used. Medium-angle tapered roller bearings are primarily used for the pinion shafts of differential gears of automobiles.

Bearing Number	Bore Dia	Outer DIa	Width	Size
685.8 mm x 876.3 mm x 434.975 mm skf BT4B 328704 G/HA1 Four-row tapered roller bearings, TQO design	225.0000 mm	2500 rpm	54.00 mm	Without Accessories
450 mm x 595 mm x 368 mm skf BT4-8173 E8/C725 Four-row tapered roller bearings, TQO design	EPR 15	1/4 NPT	406.4 mm	113 kN
310 mm x 430 mm x 310 mm skf BT4-8093 G/HA1VA901 Four-row tapered roller bearings, TQO design	1000 r/min	1.7	2800 kN	340 mm
220 mm x 295 mm x 315 mm skf BT4-0035 E8/C355 Four-row tapered roller bearings, TQO design	91300 N	130.0000 mm	60.000 mm	78000 N
609.6 mm x 787.4 mm x 361.95 mm skf 331175 A Four-row tapered roller bearings, TQO design	3 °	962.5 mm	28000 kN	983 kg
648 mm x 1030 mm x 592 mm skf BT4-8064 G/HA1VA901 Four-row tapered roller bearings, TQO design	70 mm	9 mm	304 mm	M 6
330.2 mm x 444.5 mm x 301.625 mm skf BT4-8174 E8/C675 Four-row tapered roller bearings, TQO design	170.000 mm	2.50 mm	232000 N	1.00 mm
825.5 mm x 1168.4 mm x 844.55 mm skf BT4B 334135 G/HA4VA901 Four-row tapered roller bearings, TQO design	51.2 kN	40.1 mm	3 800 min-1	5 000 min-1
482.6 mm x 615.95 mm x 330.2 mm skf 332096 Four-row tapered roller bearings, TQO design	300000 N	One Shield & Snap-Ri	265.0000 mm	60.00 mm
558.8 mm x 736.6 mm x 455.612 mm skf BT4-8022 G/HA1VA919 Four-row tapered roller bearings, TQO design	mm	516.140 kN	750 mm	68 mm
317.5 mm x 447.675 mm x 327.025 mm skf BT4B 331161 BG/HA1 Four-row tapered roller bearings, TQO design	HM 3168	G 1/4	Tr 340x5	320 mm
560 mm x 920 mm x 618 mm skf BT4B 328509/HA4 Four-row tapered roller bearings, TQO design	3400 rpm	80.000 mm	68.30 mm	170.0000 mm