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)
101 N N 309 ECP 112 KN 100 KN 45 mm 0.88 kg 100 mm 25 mm
102 NJ NJ 309 ECP 112 KN 100 KN 45 mm 0.89 kg 100 mm 25 mm
103 NU NU 309 ECP 112 KN 100 KN 45 mm 0.9 kg 100 mm 25 mm
104 NUP NUP 309 ECP 112 KN 100 KN 45 mm 0.93 kg 100 mm 25 mm
105 NU NU 2309 ECP 160 KN 153 KN 45 mm 1.3 kg 100 mm 36 mm
106 NJ NJ 2309 ECP 160 KN 153 KN 45 mm 1.35 kg 100 mm 36 mm
107 NUP NUP 2309 ECP 160 KN 153 KN 45 mm 1.35 kg 100 mm 36 mm
108 NJ NJ 409 106 KN 102 KN 45 mm 1.65 kg 120 mm 29 mm
109 NU NU 409 106 KN 102 KN 45 mm 1.65 kg 120 mm 29 mm
110 NU NU 1010 ECP 46.8 KN 56 KN 50 mm 0.27 kg 80 mm 16 mm
111 NU NU 210 ECP 73.5 KN 69.5 KN 50 mm 0.47 kg 90 mm 20 mm
112 N N 210 ECP 73.5 KN 69.5 KN 50 mm 0.48 kg 90 mm 20 mm
113 NJ NJ 210 ECP 73.5 KN 69.5 KN 50 mm 0.49 kg 90 mm 20 mm
114 NUP NUP 210 ECP 73.5 KN 69.5 KN 50 mm 0.5 kg 90 mm 20 mm
115 NU NU 2210 ECP 90 KN 88 KN 50 mm 0.56 kg 90 mm 23 mm
116 NJ NJ 2210 ECP 90 KN 88 KN 50 mm 0.57 kg 90 mm 23 mm
117 NUP NUP 2210 ECP 90 KN 88 KN 50 mm 0.59 kg 90 mm 23 mm
118 N N 310 ECP 127 KN 112 KN 50 mm 1.1 kg 110 mm 27 mm
119 NU NU 310 ECP 127 KN 112 KN 50 mm 1.1 kg 110 mm 27 mm
120 NJ NJ 310 ECP 127 KN 112 KN 50 mm 1.15 kg 110 mm 27 mm
121 NUP NUP 310 ECP 127 KN 112 KN 50 mm 1.15 kg 110 mm 27 mm
122 NJ NJ 2310 ECP 186 KN 186 KN 50 mm 1.15 kg 110 mm 40 mm
123 NU NU 2310 ECP 186 KN 186 KN 50 mm 1.15 kg 110 mm 40 mm
124 NUP NUP 2310 ECP 186 KN 186 KN 50 mm 1.15 kg 110 mm 40 mm
125 NU NU 410 130 KN 127 KN 50 mm 2 kg 131 mm 31 mm
126 NJ NJ 410 130 KN 127 KN 50 mm 2.05 kg 130 mm 31 mm
127 NU NU 1011 ECP 57.2 KN 69.5 KN 55 mm 0.39 kg 90 mm 18 mm
128 NJ NJ 1011 ECP 57.2 KN 69.5 KN 55 mm 0.42 kg 90 mm 18 mm
129 N N 211 ECP 96.5 KN 95 KN 55 mm 0.65 kg 100 mm 21 mm
130 NU NU 211 ECP 96.5 KN 95 KN 55 mm 0.66 kg 100 mm 21 mm
131 NJ NJ 211 ECP 96.5 KN 95 KN 55 mm 0.67 kg 100 mm 21 mm
132 NUP NUP 211 ECP 96.5 KN 95 KN 55 mm 0.68 kg 100 mm 21 mm
133 NU NU 2211 ECP 114 KN 118 KN 55 mm 0.79 kg 100 mm 25 mm
134 NJ NJ 2211 ECP 114 KN 118 KN 55 mm 0.81 kg 100 mm 25 mm
135 NUP NUP 2211 ECP 114 KN 118 KN 55 mm 0.82 kg 100 mm 25 mm
136 N N 311 ECP 156 KN 143 KN 55 mm 1.45 kg 120 mm 29 mm
137 NU NU 311 ECP 156 KN 143 KN 55 mm 1.45 kg 120 mm 29 mm
138 NJ NJ 311 ECP 156 KN 143 KN 55 mm 1.5 kg 120 mm 29 mm
139 NUP NUP 311 ECP 156 KN 143 KN 55 mm 1.5 kg 120 mm 29 mm
140 NJ NJ 2311 ECP 232 KN 232 KN 55 mm 2.25 kg 120 mm 43 mm
141 NU NU 2311 ECP 232 KN 232 KN 55 mm 2.25 kg 120 mm 43 mm
142 NUP NUP 2311 ECP 232 KN 232 KN 55 mm 2.3 kg 120 mm 43 mm
143 NU NU 411 142 KN 140 KN 55 mm 2.5 kg 140 mm 33 mm
144 NJ NJ 411 142 KN 140 KN 55 mm 2.55 kg 140 mm 33 mm
145 NU NU 1012 ML 37.4 KN 44 KN 60 mm 0.5 kg 95 mm 18 mm
146 N N 212 ECP 108 KN 102 KN 60 mm 0.79 kg 110 mm 22 mm
147 NU NU 212 ECP 108 KN 102 KN 60 mm 0.8 kg 110 mm 22 mm
148 NJ NJ 212 ECP 108 KN 102 KN 60 mm 0.82 kg 110 mm 22 mm
149 NUP NUP 212 ECP 108 KN 102 KN 60 mm 0.86 kg 110 mm 22 mm
150 NU NU 2212 ECP 146 KN 153 KN 60 mm 1.05 kg 110 mm 28 mm
151 NJ NJ 2212 ECP 146 KN 153 KN 60 mm 1.1 kg 110 mm 28 mm
152 NUP NUP 2212 ECP 146 KN 153 KN 60 mm 1.1 kg 110 mm 28 mm
153 N N 312 ECP 173 KN 160 KN 60 mm 1.75 kg 130 mm 31 mm
154 NU NU 312 ECP 173 KN 160 KN 60 mm 1.75 kg 130 mm 31 mm
155 NJ NJ 312 ECP 173 KN 160 KN 60 mm 1.85 kg 130 mm 31 mm
156 NUP NUP 312 ECP 173 KN 160 KN 60 mm 1.9 kg 130 mm 31 mm
157 NU NU 2312 ECP 260 KN 265 KN 60 mm 2.75 kg 130 mm 46 mm
158 NU NU 319 ECP 390 KN 390 KN 95 mm 6.2 kg 200 mm 45 mm
159 NJ NJ 319 ECP 390 KN 390 KN 95 mm 6.3 kg 200 mm 45 mm
160 NUP319 NUP319 ECP 390 KN 390 KN 95 mm 6.3 kg 200 mm 45 mm
161 NU NU 2319 ECP 530 KN 585 KN 95 mm 9.35 kg 200 mm 67 mm
162 NJ NJ 2319 ECJ 530 KN 585 KN 95 mm 9.55 kg 200 mm 67 mm
163 NUP NUP 2319 ECJ 530 KN 585 KN 95 mm 9.7 kg 200 mm 67 mm
164 NU NU 419 M 413 KN 455 KN 95 mm 13.5 kg 240 mm 55 mm
165 NU NU 1020 ML 85.8 KN 114 KN 100 mm 1.45 kg 150 mm 24 mm
166 NU NU 220 ECP 285 KN 305 KN 100 mm 3.35 kg 180 mm 34 mm
167 N N 220 ECP 285 KN 305 KN 100 mm 3.45 kg 180 mm 34 mm
168 NJ NJ 220 ECP 285 KN 305 KN 100 mm 3.45 kg 180 mm 34 mm
169 NUP NUP 220 ECP 285 KN 305 KN 100 mm 3.6 kg 180 mm 34 mm
170 NU NU 2220 ECP 380 KN 450 KN 100 mm 4.75 kg 180 mm 46 mm
171 NJ NJ 2220 ECP 380 KN 450 KN 100 mm 4.8 kg 180 mm 46 mm
172 NUP NUP 2220 ECP 380 KN 450 KN 100 mm 4.8 kg 180 mm 46 mm
173 N N 320 ECP 450 KN 440 KN 100 mm 7.35 kg 215 mm 47 mm
174 NU NU 320 ECP 450 KN 440 KN 100 mm 7.45 kg 215 mm 47 mm
175 NJ NJ 320 ECJ 450 KN 440 KN 100 mm 7.65 kg 215 mm 47mm
176 NUP NUP 320 ECJ 450 KN 440 KN 100 mm 7.7 kg 215 mm 47 mm
177 NJ NJ 2320 ECJ 670 KN 735 KN 100 mm 12 kg 215 mm 73 mm
178 NU NU 2320 ECP 670 KN 735 KN 100 mm 12 kg 215 mm 73 mm
179 NUP NUP 2320 ECJ 670 KN 735 KN 100 mm 12.5 kg 215 mm 73 mm
180 NU NU 420 M 457 KN 520 KN 100 mm 15.5 kg 250 mm 58 mm
181 NU NU 1021 ML 101 KN 137 KN 105 mm 1.9 kg 160 mm 26 mm
182 N N 221 ECP 300 KN 315 KN 105 mm 3.9 kg 190 mm 36 mm
183 NU NU 221 ECP 300 KN 315 KN 105 mm 3.95 kg 190 mm 36 mm
184 NJ NJ 221 ECP 300 KN 315 KN 105 mm 4 kg 190 mm 36 mm
185 NUP NUP 221 ECP 300 KN 315 KN 105 mm 4.2 kg 190 mm 36 mm
186 NU NU 321 ECP 500 KN 500 KN 105 mm 8.5 kg 225 mm 49 mm
187 N N 321 ECP 500 KN 500 KN 105 mm 8.6 kg 225 mm 49 mm
188 NJ NJ 321 ECP 500 KN 500 KN 105 mm 9.05 kg 225 mm 49 mm
189 NU NU 421 M 501 KN 570 KN 105 mm 17.5 kg 260 mm 60 mm
190 NU NU 1022 ML 128 KN 166 KN 110 mm 2.3 kg 170 mm 28 mm
191 NU NU 222 ECP 335 KN 365 KN 110 mm 4.7 kg 200 mm 38 mm
192 N N 222 ECP 335 KN 365 KN 110 mm 4.8 kg 200 mm 38 mm
193 NJ NJ 222 ECP 335 KN 365 KN 110 mm 4.8 kg 200 mm 38 mm
194 NUP NUP 222 ECP 335 KN 365 KN 110 mm 5 kg 200 mm 38 mm
195 NJ NJ 2222 ECP 440 KN 520 KN 110 mm 6.7 kg 200 mm 53 mm
196 NU NU 2222 ECP 440 KN 520 KN 110 mm 6.7 kg 200 mm 53 mm
197 NUP NUP 2222 ECP 440 KN 520 KN 110 mm 7 kg 200 mm 53 mm
198 N N 322 ECP 530 KN 540 KN 110 mm 10 kg 240 mm 50 mm
199 NJ NJ 322 ECJ 530 KN 540 KN 110 mm 10.5 kg 240 mm 50 mm
200 NU NU 322 ECP 530 KN 540 KN 110 mm 10.5 kg 240 mm 50 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.