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)
1 NU NU 202 ECP 12.5 KN 10.2 KN 15 mm 0.047 kg 35 mm 11 mm
2 NJ NJ 202 ECP 12.5 KN 10.2 KN 15 mm 0.048 kg 35 mm 11 mm
3 N N 203 ECP 20 KN 14.3 KN 17 mm 0.066 kg 40 mm 12 mm
4 NU NU 203 ECP 20 KN 14.3 KN 17 mm 0.068 kg 40 mm 12 mm
5 NJ NJ 203 ECP 20 KN 14.3 KN 17 mm 0.069 kg 40 mm 12 mm
6 NUP NUP 203 ECP 20 KN 14.3 KN 17 mm 0.072 kg 40 mm 12 mm
7 NU NU 2203 ECP 27.5 KN 21.6 KN 17 mm 0.087 kg 40 mm 16 mm
8 NJ NJ 2203 ECP 27.5 KN 21.6 KN 17 mm 0.093 kg 40 mm 16 mm
9 NUP NUP 2203 ECP 27.5 KN 21.6 KN 17 mm 0.097 kg 40 mm 16 mm
10 N N 303 ECP 28.5 KN 20.4 KN 17 mm 0.12 kg 47 mm 14 mm
11 NJ NJ 303 ECP 28.5 KN 20.4 KN 17 mm 0.12 kg 47 mm 14 mm
12 NU NU 303 ECP 28.5 KN 20.4 KN 17 mm 0.12 kg 47 mm 14 mm
13 N N 204 ECP 28.5 KN 22 KN 20 mm 0.11 kg 47 mm 14 mm
14 NJ NJ 204 ECP 28.5 KN 22 KN 20 mm 0.11 kg 47 mm 14 mm
15 NU NU 204 ECP 28.5 KN 22 KN 20 mm 0.11 kg 47 mm 14 mm
16 NUP NUP 204 ECP 28.5 KN 22 KN 20 mm 0.12 kg 47 mm 14 mm
17 NJ NJ 2204 ECP 34.5 KN 27.5 KN 20 mm 0.14 kg 47 mm 18 mm
18 NU NU 2204 ECP 34.5 KN 27.5 KN 20 mm 0.14 kg 47 mm 18 mm
19 NU NU 304 ECP 35.5 KN 26 KN 20 mm 0.14 kg 52 mm 15 mm
20 N N 304 ECP 35.5 KN 26 KN 20 mm 0.15 kg 52 mm 15 mm
21 NJ NJ 304 ECP 35.5 KN 26 KN 20 mm 0.15 kg 52 mm 15 mm
22 NUP NUP 304 ECP 35.5 KN 26 KN 20 mm 0.16 kg 52 mm 15 mm
23 NU NU 2304 ECP 47.5 KN 38 KN 20 mm 0.21 kg 52 mm 21 mm
24 NJ NJ 2304 ECP 47.5 KN 38 KN 20 mm 0.22 kg 52 mm 21 mm
25 NUP NUP 2304 ECP 47.5 KN 38 KN 20 mm 0.22 kg 52 mm 21 mm
26 NU NU 1005 14.2 KN 13.2 KN 25 mm 0.082 kg 47 mm 12 mm
27 N N 205 ECP 32.5 KN 27 KN 25 mm 0.13 kg 52 mm 15 mm
28 NU NU 205 ECP 32.5 KN 27 KN 25 mm 0.13 kg 52 mm 15 mm
29 NJ NJ 205 ECP 32.5 KN 27 KN 25 mm 0.14 kg 52 mm 15 mm
30 NUP NUP 205 ECP 32.5 KN 27 KN 25 mm 0.14 kg 52 mm 15 mm
31 NU NU 2205 ECP 39 KN 34 KN 25 mm 0.16 kg 52 mm 18 mm
32 NJ NJ 2205 ECP 39 KN 34 KN 25 mm 0.17 kg 52 mm 18 mm
33 NUP NUP 2205 ECP 39 KN 34 KN 25 mm 0.17 kg 52 mm 18 mm
34 N N 305 ECP 46.5 KN 36.5 KN 25 mm 0.23 kg 62 mm 17 mm
35 NU NU 305 ECP 46.5 KN 36.5 KN 25 mm 0.23 kg 62 mm 17 mm
36 NJ NJ 305 ECP 46.5 KN 36.5 KN 25 mm 0.24 kg 62 mm 17 mm
37 NUP NUP 305 ECP 46.5 KN 36.5 KN 25 mm 0.25 kg 62 mm 17 mm
38 NU NU 2305 ECP 64 KN 55 KN 25 mm 0.34 kg 62 mm 24 mm
39 NJ NJ 2305 ECP 64 KN 55 KN 25 mm 0.35 kg 62 mm 24 mm
40 NUP NUP 2305 ECP 64 KN 55 KN 25 mm 0.36 kg 62 mm 24 mm
41 NU NU 1006 17.9 KN 17.3 KN 30 mm 0.11 kg 55 mm 13 mm
42 N N 206 ECP 44 KN 36.5 KN 30 mm 0.2 kg 62 mm 16 mm
43 NU NU 206 ECP 44 KN 36.5 KN 30 mm 0.2 kg 62 mm 16 mm
44 NJ NJ 206 ECP 44 KN 36.5 KN 30 mm 0.2 kg 62 mm 16 mm
45 NUP NUP 206 ECP 44 KN 36.5 KN 30 mm 0.21 kg 62 mm 16 mm
46 NJ NJ 2206 ECP 55 KN 49 KN 30 mm 0.26 kg 62 mm 20 mm
47 NU NU 2206 ECP 55 KN 49 KN 30 mm 0.26 kg 62 mm 20 mm
48 NUP NUP 2206 ECP 55 KN 49 KN 30 mm 0.27 kg 62 mm 20 mm
49 N N 306 ECP 58.5 KN 48 KN 30 mm 0.36 kg 72 mm 19 mm
50 NU NU 306 ECP 58.5 KN 48 KN 30 mm 0.36 kg 72 mm 19 mm
51 NJ NJ 306 ECP 58.5 KN 48 KN 30 mm 0.37 kg 72 mm 19 mm
52 NUP NUP 306 ECP 58.5 KN 48 KN 30 mm 0.38 kg 72 mm 19 mm
53 NU NU 2306 ECP 83 KN 75 KN 30 mm 0.53 kg 72 mm 27 mm
54 NJ NJ 2306 ECP 83 KN 75 KN 30 mm 0.54 kg 72 mm 27 mm
55 NUP NUP 2306 ECP 83 KN 75 KN 30 mm 0.54 kg 72 mm 27 mm
56 NU NU 406 60.5 KN 53 KN 30 mm 0.75 kg 90 mm 23 mm
57 NJ NJ 406 60.5 KN 53 KN 30 mm 0.78 kg 90 mm 23 mm
58 NU NU 1007 ECP 35.8 KN 38 KN 35 mm 0.16 kg 62 mm 14 mm
59 NU NU 207 ECP 56 KN 48 KN 35 mm 0.29 kg 72 mm 17 mm
60 N N 207 ECP 56 KN 48 KN 35 mm 0.3 kg 72 mm 17 mm
61 NJ NJ 207 ECP 56 KN 48 KN 35 mm 0.3 kg 72 mm 17 mm
62 NUP NUP 207 ECP 56 KN 48 KN 35 mm 0.31 kg 72 mm 17 mm
63 NU NU 2207 ECP 69.5 KN 63 KN 35 mm 0.4 kg 72 mm 23 mm
64 NJ NJ 2207 ECP 69.5 KN 63 KN 35 mm 0.41 kg 72 mm 23 mm
65 NUP NUP 2207 ECP 69.5 KN 63 KN 35 mm 0.42 kg 72 mm 23 mm
66 NU NU 307 ECP 75 KN 63 KN 35 mm 0.47 kg 80 mm 21 mm
67 N N 307 ECP 75 KN 63 KN 35 mm 0.48 kg 80 mm 21 mm
68 NJ NJ 307 ECP 75 KN 63 KN 35 mm 0.49 kg 80 mm 21 mm
69 NUP NUP 307 ECP 75 KN 63 KN 35 mm 0.49 kg 80 mm 21 mm
70 NU NU 2307 ECP 106 KN 98 KN 35 mm 0.72 kg 80 mm 31 mm
71 NJ NJ 2307 ECP 106 KN 98 KN 35 mm 0.73 kg 80 mm 31 mm
72 NUP NUP 2307 ECP 106 KN 98 KN 35 mm 0.76 kg 80 mm 31 mm
73 NJ NJ 407 76.5 KN 69.5 KN 35 mm 1 kg 100 mm 25 mm
74 NU NU 407 76.5 KN 69.5 KN 35 mm 1 kg 100 mm 25 mm
75 NU NU 1008 ML 25.1 KN 26 KN 40 mm 0.23 kg 68 mm 15 mm
76 N N 208 ECP 62 KN 53 KN 40 mm 0.37 kg 80 mm 18 mm
77 NU NU 208 ECP 62 KN 53 KN 40 mm 0.37 kg 80 mm 18 mm
78 NJ NJ 208 ECP 62 KN 53 KN 40 mm 0.38 kg 80 mm 18 mm
79 NUP NUP 208 ECP 62 KN 53 KN 40 mm 0.39 kg 80 mm 18 mm
80 NU NU 2208 ECP 81.5 KN 75 KN 40 mm 0.49 kg 80 mm 23 mm
81 NJ NJ 2208 ECP 81.5 KN 75 KN 40 mm 0.5 kg 80 mm 23 mm
82 NUP NUP 2208 ECP 81.5 KN 75 KN 40 mm 0.51 kg 80 mm 23 mm
83 N N 308 ECP 93 KN 78 KN 40 mm 0.65 kg 90 mm 23 mm
84 NU NU 308 ECP 93 KN 78 KN 40 mm 0.65 kg 90 mm 23 mm
85 NJ NJ 308 ECP 93 KN 78 KN 40 mm 0.67 kg 90 mm 23 mm
86 NUP NUP 308 ECP 93 KN 78 KN 40 mm 0.68 kg 90 mm 23 mm
87 NU NU 2308 ECP 129 KN 120 KN 40 mm 0.93 kg 90 mm 33 mm
88 NJ NJ 2308 ECP 129 KN 120 KN 40 mm 0.95 kg 90 mm 33 mm
89 NUP NUP 2308 ECP 129 KN 120 KN 40 mm 0.98 kg 90 mm 33 mm
90 NJ NJ 408 96.8 KN 90 KN 40 mm 1.3 kg 110 mm 27 mm
91 NU NU 408 96.8 KN 90 KN 40 mm 1.3 kg 110 mm 27 mm
92 NU NU 1009 ECP 44.6 KN 52 KN 45 mm 0.25 kg 75 mm 16 mm
93 NJ NJ 1009 ECP 44.6 KN 52 KN 45 mm 0.26 kg 75 mm 16 mm
94 NU NU 209 ECP 69.5 KN 64 KN 45 mm 0.42 kg 85 mm 19 mm
95 N N 209 ECP 69.5 KN 64 KN 45 mm 0.43 kg 85 mm 19 mm
96 NJ NJ 209 ECP 69.5 KN 64 KN 45 mm 0.44 kg 85 mm 19 mm
97 NUP NUP 209 ECP 69.5 KN 64 KN 45 mm 0.44 kg 85 mm 19 mm
98 NU NU 2209 ECP 85 KN 81.5 KN 45 mm 0.52 kg 85 mm 23 mm
99 NJ NJ 2209 ECP 85 KN 81.5 KN 45 mm 0.54 kg 85 mm 23 mm
100 NUP NUP 2209 ECP 85 KN 81.5 KN 45 mm 0.55 kg 85 mm 23 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.