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Four-row tapered roller bearings, TQO design
Keywords:
Tapered Roller Bearings
Category:
Tapered Roller Bearings
Product Details
Product Details
Four-row tapered roller bearings can accommodate combined heavy radial and axial loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills. SKF manufactures four-row tapered roller bearings in TQO and TQI designs, in many variants and with different features.
Very high radial load carrying capacity
Accommodate axial loads in both directions
Axial space-saving solution for roll necks
Low friction
Long service life
Detailed pictures
Parameter table
| Bearing Number | d mm | D mm | B mm | T mm |
| 331138 AG | 139.7 | 200.025 | 157.162 | 160.34 |
| 331480 G | 177.8 | 247.65 | 192.088 | 192.088 |
| BT4-0027 | 198.438 | 284.162 | 225.425 | 225.425 |
| BT4-0013 | 206.375 | 282.575 | 190.5 | 190.5 |
| BT4-0021 G/HA1 | 206.375 | 282.575 | 190.5 | 190.5 |
| BT4-0035 E8/C355 | 220 | 295 | 315 | 315 |
| BT4-0040 E8/C355 | 220.662 | 314.325 | 239.712 | 239.712 |
| BT4-0020/HA1 | 240 | 338 | 248 | 248 |
| 330782 AG | 241.478 | 349.148 | 228.6 | 228.6 |
| 330862 B | 244.475 | 327.025 | 193.675 | 193.675 |
| BT4-0039 E8/C355 | 254 | 358.775 | 269.875 | 269.875 |
| BT4-0044 E8/C560 | 266.7 | 355.6 | 230.188 | 228.6 |
| BT4B 331168 B | 269.875 | 381 | 282.575 | 282.575 |
| BT4-0012 | 276.225 | 393.7 | 269.875 | 269.875 |
| BT4-0049 E81/C510 | 279.4 | 393.7 | 269.88 | 269.88 |
| BT4-0048 E8/C475 | 279.578 | 380.898 | 244.48 | 250 |
| BT4-0026 A/PEX | 280 | 406.4 | 298.45 | 298.45 |
| BT4-0015 | 285.75 | 380.898 | 244.475 | 244.475 |
| BT4-0047 E8/C475 | 285.75 | 380.898 | 244.48 | 250 |
| BT4B 331452 G/HA1 | 288.925 | 406.4 | 298.45 | 292.45 |
| BT4B 331968 BG/HA1 | 292.1 | 422.275 | 269.875 | 269.875 |
| 331492 | 304.648 | 438.048 | 280.99 | 279.4 |
| BT4B 328909 | 304.8 | 501.65 | 336.55 | 336.55 |
| 330758 BG | 304.902 | 412.648 | 266.7 | 266.7 |
| BT4-0004 G/HA1 | 304.902 | 412.648 | 266.7 | 266.7 |
| BT4-8093 | 310 | 430 | 310 | 310 |
| BT4-8182 E8/C675 | 317.5 | 422.275 | 269.875 | 269.875 |
| BT4B 331161 BG/HA1 | 317.5 | 447.675 | 327.025 | 327.025 |
| BT4B 332647 G/HA1 | 330.2 | 444.5 | 301.625 | 301.625 |
| BT4-8113 E2/C500 | 330.302 | 438.023 | 247.65 | 254 |
| 331381 | 333.375 | 469.9 | 342.9 | 342.9 |
| BT4-8160 E8/C475 | 343.052 | 457.098 | 254 | 254 |
| BT4B 328817 | 343.052 | 457.098 | 254 | 254 |
| BT4B 331228 | 346.075 | 488.95 | 358.775 | 358.775 |
| BT4-8070 | 347.662 | 469.9 | 292.1 | 292.1 |
| 331092 A | 347.663 | 469.9 | 292.1 | 292.1 |
| 331271 | 355.6 | 488.95 | 317.5 | 317.5 |
| BT4-8162 | 355.6 | 482.6 | 265.113 | 269.875 |
| BT4B 328870 | 355.6 | 482.6 | 265.113 | 269.875 |
| BT4B 328912 | 355.6 | 488.95 | 317.5 | 317.5 |
| 332059 | 360 | 510 | 380 | 380 |
| 331159 A | 368.3 | 523.875 | 382.588 | 382.588 |
| BT4-8033 G/HA1 | 380 | 560 | 390 | 360 |
| BT4-8086 G/HA1 | 380 | 540 | 300 | 300 |
| 331149 E/C675 | 384.175 | 546.1 | 400.05 | 400.05 |
| BT4-8025 | 384.175 | 546.1 | 400.05 | 400.05 |
| BT4B 334128/HA1 | 384.175 | 546.1 | 400.05 | 400.05 |
| BT4B 334042 | 385.762 | 514.35 | 317.5 | 317.5 |
| BT4B 332824/HA1 | 395 | 545 | 268 | 288.9 |
| BT4-8147 G/HA1 | 400 | 600 | 308 | 308 |
Packing and shipping
We are an excellent bearing supplier and manufacturer in China, and at the same time with Japan NSK KOYO NTN NACHI ASAHI bearings, THK IKO linear bearings, Sweden SKF bearings, Germany FAG and INA bearings, NADELLA bearings, The United States TIMKEN KAYDON RBC bearing and other world famous manufacturers to maintain good strategic partnership.
Packing and shipping
Founded in 2005, North Seiko Bearing has been deeply engaged in the bearing industry for 20 years, providing bearings and bearing solutions for well-known domestic enterprises.
FAQ
Q:Do you provide samples?
A:Yes, we provide samples, but shipping cost and tax pay by buyer.
Q:How to choose a bearing?
A:We have a professional engineer team to help you choose bearing and find appropriate solutions, contact us now!
Q:How about the quality of products in your company?
A:We implement strict inspection on all bearing parts before the production and during the production process, all bearing meet ISO international standard.
Q:what services can we provide?
A:Accepted Delivery Terms: FOB,EXW； Accepted Payment Currency:USD; Accepted Payment Type: T/T,L/C; Language Spoken:English,Chinese
Q:what can you buy from us?
A:Deep Groove Ball Bearing, Angular Contact Ball Bearing, Tapered Roller Bearing, Needle Roller Bearing, Thrust Ball Bearing
Q:how can we guarantee quality?
A:Always a pre-production sample before mass production; Always final Inspection before shipment;
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