Standard single row cylindrical roller bearings

Image may differ from product. See technical specification for details.

Standard

GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN / VDEh,DIN / VDEh

Material

GCr15

Inner ring diameter

100-240 mm

Outer ring diameter

180-500 mm

Weight

5.1-143kg

Brand

QIBR/OEM/Neutral

Package

QIBR/Standard Industrial Package/OEM

Applications

Large and medium-sized electric motors, Locomotive vehicles, Machine tool spindles, Internal combustion engines, Generators, Gas turbines, Gearboxes, Rolling mills, Vibrating screens, lifting and transportation machinery, etc.

Filters

NO. Product Product Number Basic dynamic load rating Basic static load rating Inner diameter (d) Mass Outer diameter (D) Width (B)
201 NUP NUP 322 ECP 530 KN 540 KN 110 mm 10.5 kg 240 mm 50 mm
202 NJ NJ 2322 ECP 780 KN 900 KN 110 mm 17 kg 240 mm 80 mm
203 NU NU 2322 ECP 780 KN 900 KN 110 mm 17 kg 240 mm 80 mm
204 NUP NUP 2322 ECP 780 KN 900 KN 110 mm 17.5 kg 240 mm 80 mm
205 NJ NJ 422 M 550 KN 630 KN 110 mm 22.5 kg 280 mm 65 mm
206 NU NU 1024 ML 134 KN 183 KN 120 mm 2.55 kg 180 mm 28 mm
207 N N 224 ECP 390 KN 430 KN 120 mm 5.75 kg 215 mm 40 mm
208 NU NU 224 ECP 390 KN 430 KN 120 mm 5.75 kg 215 mm 40 mm
209 NJ NJ 224 ECP 390 KN 430 KN 120 mm 5.85 kg 215 mm 40 mm
210 NUP NUP 224 ECJ 390 KN 430 KN 120 mm 5.95 kg 215 mm 40 mm
211 NU NU 2224 ECP 520 KN 630 KN 120 mm 8.2 kg 215 mm 58 mm
212 NJ NJ 2224 ECJ 520 KN 630 KN 120 mm 8.65 kg 215 mm 58 mm
213 NUP NUP 2224 ECP 520 KN 630 KN 120 mm 8.65 kg 215 mm 58 mm
214 N N 324 ECP 610 KN 620 KN 120 mm 13 kg 260 mm 55 mm
215 NU NU 324 ECP 610 KN 620 KN 120 mm 13 kg 260 mm 55 mm
216 NJ NJ 324 ECJ 610 KN 620 KN 120 mm 13.5 kg 260 mm 55 mm
217 NUP NUP 324 ECP 610 KN 620 KN 120 mm 14 kg 260 mm 55 mm
218 NUP NUP 2324 ECML 915 KN 1040 KN 120 mm 22.5 kg 260 mm 86 mm
219 NJ NJ 2324 ECML 915 KN 1040 KN 120 mm 23 kg 260 mm 86 mm
220 NU NU 2324 ECML 915 KN 1040 KN 120 mm 22.5 kg 260 mm 86 mm
221 NU NU 424 644 KN 735 KN 120 mm 27.5 kg 310 mm 72 mm
222 NU NU 1026 ML 165 KN 224 KN 130 mm 3.85 kg 200 mm 33 mm
223 NJ NJ 1026 ML 165 KN 224 KN 130 mm 3.9 kg 200 mm 33 mm
224 N N 226 ECP 415 KN 455 KN 130 mm 6.45 kg 230 mm 40 mm
225 NU NU 226 ECP 415 KN 455 KN 130 mm 6.45 kg 230 mm 40 mm
226 NUP NUP 226 ECJ 415 KN 455 KN 130 mm 6.5 kg 230 mm 40 mm
227 NJ NJ 226 ECP 415 KN 455 KN 130 mm 6.6 kg 230 mm 40 mm
228 NU NU 2226 ECP 610 KN 735 KN 130 mm 10 kg 230 mm 64 mm
229 NUP NUP 2226 ECP 610 KN 735 KN 130 mm 10.5 kg 230 mm 64 mm
230 NJ NJ 2226 ECML 610 KN 735 KN 130 mm 12 kg 230 mm 64 mm
231 NU NU 326 ECP 720 KN 750 KN 130 mm 16 kg 280 mm 58 mm
232 NJ NJ 326 ECJ 720 KN 750 KN 130 mm 16.5 kg 280 mm 58 mm
233 N N 326 ECM 720 KN 750 KN 130 mm 18 kg 280 mm 58 mm
234 NUP NUP 326 ECP 720 KN 750 KN 130 mm 280 mm 58 mm
235 NU NU 2326 ECML 1060 KN 1250 KN 130 mm 28.5 kg 280 mm 93 mm
236 NJ NJ 2326 ECML 1060 KN 1250 KN 130 mm 29.5 kg 280 mm 93 mm
237 NUP NUP 2326 ECML 1060 KN 1250 KN 130 mm 29.5 kg 280 mm 93 mm
238 NU NU 1028 ML 179 KN 255 KN 140 mm 4.05 kg 210 mm 33 mm
239 NUP NUP 228 ECJ 450 KN 510 KN 140 mm 8.45 kg 250 mm 42 mm
240 NJ NJ 228 ECJ 450 KN 510 KN 140 mm 8.6 kg 250 mm 42 mm
241 NU NU 228 ECM 450 KN 510 KN 140 mm 9.4 kg 250 mm 42 mm
242 NU NU 2228 ECML 655 KN 830 KN 140 mm 15 kg 250 mm 68 mm
243 NJ NJ 2228 ECML 655 KN 830 KN 140 mm 15.5 kg 250 mm 68 mm
244 NUP NUP 2228 ECML 655 KN 830 KN 140 mm 15.5 kg 250 mm 68 mm
245 NJ NJ 328 ECJ 780 KN 830 KN 140 mm 20 kg 300 mm 62 mm
246 NU NU 328 ECM 780 KN 830 KN 140 mm 22.5 kg 300 mm 62 mm
247 NUP NUP 328 ECM 780 KN 830 KN 140 mm 23.5 kg 300 mm 62 mm
248 NU NU 2328 ECML 1200 KN 1430 KN 140 mm 36 kg 300 mm 102 mm
249 NJ NJ 2328 ECML 1200 KN 1430 KN 140 mm 36.5 kg 300 mm 102 mm
250 NUP NUP 2328 ECML 1200 KN 1430 KN 140 mm 37 kg 300 mm 102 mm
251 NU NU 1030 ML 198 KN 290 KN 150 mm 4.9 kg 225 mm 35 mm
252 NUP NUP 230 ECJ 510 KN 600 KN 150 mm 10.5 kg 270 mm 45 mm
253 NU NU 230 ECM 510 KN 600 KN 150 mm 11.5 kg 270 mm 45 mm
254 NJ NJ 230 ECM 510 KN 600 KN 150 mm 12 kg 270 mm 45 mm
255 NU NU 2230 ECM 735 KN 930 KN 150 mm 18.5 kg 73 mm
256 NJ NJ 2230 ECM 735 KN 930 KN 150 mm 19 kg 270 mm 73 mm
257 NU NU 330 ECM 900 KN 965 KN 150 mm 26.5 kg 320 mm 65 mm
258 NJ NJ 330 ECML 900 KN 965 KN 150 mm 26.5 kg 320 mm 65 mm
259 NU NU 2330 ECML 1370 KN 1630 KN 150 mm 42.5 kg 320 mm 108 mm
260 NJ NJ 2330 ECML 1370 KN 1630 KN 150 mm 43 kg 320 mm 108 mm
261 NU NU 1032 ML 229 KN 325 KN 160 mm 6 kg 240 mm 38 mm
262 NU NU 232 ECM 585 KN 680 KN 160 mm 14 kg 290 mm 48 mm
263 NUP NUP 232 ECM 585 KN 680 KN 160 mm 15.5 kg 290 mm 48 mm
264 NJ NJ 232 ECML 585 KN 680 KN 160 mm 14.5 kg 290 mm 48 mm
265 NU NU 2232 ECML 930 KN 1200 KN 160 mm 23 kg 290 mm 80 mm
266 NJ NJ 2232 ECML 1200 KN 160 mm 23.5 kg 290 mm 80 mm
267 NJ NJ 332 ECML 1000 KN 1080 KN 160 mm 31 kg 340 mm
268 NU NU 332 ECML 1000 KN 1080 KN 160 mm 31 kg 340 mm 68 mm
269 NU NU 2332 ECML 1250 KN 1730 KN 160 mm 50 kg 340 mm 114 mm
270 NJ NJ 2332 ECML 1250 KN 1730 KN 160 mm 50.5 kg 340 mm 114 mm
271 NU NU 1034 ML 275 KN 400 KN 170 mm 8 kg 260 mm 42 mm
272 NJ NJ 1034 ML 275 KN 400 KN 170 mm 8.2 kg 260 mm 42 mm
273 NJ NJ 234 ECML 695 KN 815 KN 170 mm 17.5 kg 310 mm 52 mm
274 NU NU 234 ECML 695 KN 815 KN 170 mm 17.5 kg 310 mm 52 mm
275 NU NU 2234 ECML 1060 KN 1340 KN 170 mm 28 kg 310 mm 86 mm

Features and advantages of QIBR standard single row cylindrical roller bearings

QIBR standard single row cylindrical roller bearings solves many key problems in various fields, which are mainly reflected in the following aspects:

1. High load capacity of QIBR standard single row cylindrical roller bearings

QIBR standard single row cylindrical roller bearings have more rollers than ordinary cylindrical roller bearings, and the contact area between the rollers and the inner and outer rings is larger, which enables the bearings to withstand higher radial loads.

2. Good wear resistance of QIBR standard single row cylindrical roller bearings

QIBR standard single row cylindrical roller bearings have a lower wear rate due to the large contact area of the rollers, which is suitable for equipment with high loads and long-term stable operation.

3. QIBR standard single row cylindrical roller bearings have excellent rigidity and stability

QIBR standard single row cylindrical roller bearings have small deformation when loaded and show high rigidity, which makes them particularly suitable for occasions requiring high precision and stability such as machine tool spindles

4. QIBR standard single row cylindrical roller bearings effectively control noise

The high-precision QIBR standard single row cylindrical roller bearings can effectively reduce noise during operation and improve the overall performance of the equipment through precise installation, proper lubrication and advanced monitoring systems.

5. QIBR standard single row cylindrical roller bearings are highly cost-effective

The design of QIBR standard single row cylindrical roller bearings allows them to provide efficient load support in a relatively small space. Using QIBR standard single row cylindrical roller bearings can reduce costs while improving rigidity and stability.

The performance improvement and solutions of QIBR standard single row cylindrical roller bearings 

1. Dustproof and waterproof design

Especially in harsh environments, bearings need to have adequate protection measures to prevent dust, mud and water and other impurities from entering the bearings. This can be achieved by designing seals to avoid affecting the bearing's operating performance and life.

2. Improve the bearing's appearance structure

By optimizing the geometry of the outer and inner rings (such as fillet design), reduce the friction between the inner and outer rings, and improve the smoothness and efficiency of operation.

3. Improve manufacturing accuracy

Adopt advanced foreign processing equipment and processes, such as precision grinding, super-fine grinding, etc., to improve the geometric accuracy of the inner and outer rings and rollers, reduce processing errors, and thus improve the rotation accuracy and roughness of the bearings.

4. Improve material performance

The use of surface coating technology (such as chrome plating, nitriding, etc.) can improve the wear resistance and corrosion resistance of the bearings, effectively extend the service life of the bearings, especially when working in harsh environments, the performance of the bearings can be significantly improved.

Main application areas of QIBR standard single row cylindrical roller bearings

1. Automobile engines: QIBR standard single row cylindrical roller bearings are used in crankshafts, camshafts and gearboxes of automobile engines, especially in high-load situations.

2. Motors and generators: QIBR standard single row cylindrical roller bearings are often used on the rotor and stator components of motors to help support high-speed operation and load bearing.

3. Machine tools: QIBR standard single row cylindrical roller bearings are used in the spindle parts of lathes, milling machines, grinders and other machine tools to support high-precision and high-load work.

4. Railway vehicles: QIBR standard single row cylindrical roller bearings are widely used in the bearing systems of railway vehicles, especially in the case of large radial loads and high speeds, such as locomotive wheelsets, axles and other parts.