Cylindrical Roller Bearings N-type
Bearing Introduction
Cylindrical Roller Bearings N-type bearings have no ribs on the outer ring and ribs on the sides of the inner ring. It is possible to allow displacement of the shaft in the axial direction relative to the bearing housing. The NU type bearing has a rib on both sides of the outer ring, and the inner ring has no ribs. It is also possible to allow displacement of the shaft relative to the bearing housing in both axial directions. Therefore, this type of structure is suitable for use as a swim end bearing.
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Bearing Model Suffix Symbol Meaning
Subject | Symbol | Description |
Other technical modifications | K | Tapered bore. |
Cage types | E | Polymer cage |
MS | Brass cage roller guided. | |
S | Pressed steel cage. | |
– | Pressed steel cage. Is not indicated as a standard. |
Sectional view of Cylindrical Roller Bearings N-type

Model List And Dimensions Of Cylindrical Roller Bearings N-type
Bearing Number | Old number (cost) | Nominal Bearing Dimensions(mm) | Bearing Weight (kg) | ||
d | D | B | |||
N202 | 2202 | 15 | 35 | 11 | 0.047 |
N203 | 2203 | 17 | 40 | 12 | 0.067 |
N204 | 2204 | 20 | 47 | 14 | 0.108 |
N2204 | 2504 | 20 | 47 | 18 | 0.150 |
N205 | 2205 | 25 | 52 | 15 | 0.132 |
N2205 | 2505 | 25 | 52 | 18 | 0.170 |
N206 | 2206 | 30 | 62 | 16 | 0.200 |
N2206 | 2506 | 30 | 62 | 20 | 0.270 |
N207 | 2207 | 35 | 72 | 17 | 0.293 |
N2207 | 2507 | 35 | 72 | 23 | 0.410 |
N208 | 2208 | 40 | 80 | 18 | 0.366 |
N2208 | 2508 | 40 | 80 | 23 | 0.510 |
N209 | 2209 | 45 | 85 | 19 | 0.427 |
N2209 | 2509 | 45 | 85 | 23 | 0.550 |
N210 | 2210 | 50 | 90 | 20 | 0.479 |
N2210 | 2510 | 50 | 90 | 23 | 0.590 |
N211 | 2211 | 55 | 100 | 21 | 0.640 |
N2211 | 2511 | 55 | 100 | 25 | 0.810 |
N212 | 2212 | 60 | 110 | 22 | 0.823 |
N213 | 2213 | 65 | 120 | 23 | 1.050 |
N214 | 2214 | 70 | 125 | 24 | 1.150 |
N215 | 2215 | 75 | 130 | 25 | 1.240 |
N216 | 2216 | 80 | 140 | 26 | 1.510 |
N217 | 2217 | 85 | 150 | 28 | 1.900 |
N218 | 2218 | 90 | 160 | 30 | 2.280 |
N219 | 2219 | 95 | 170 | 32 | 2.800 |
N220 | 2220 | 100 | 180 | 34 | 3.380 |
N2220 | 2520 | 100 | 180 | 46 | 4.820 |
N222 | 2222 | 110 | 200 | 38 | 4.650 |
N2222 | 2522 | 110 | 200 | 53 | 6.930 |
N224 | 2224 | 120 | 215 | 40 | 5.650 |
N2224 | 2524 | 120 | 215 | 58 | 8.560 |
N226 | 2226 | 130 | 230 | 40 | 6.490 |
N2226 | 2526 | 130 | 230 | 64 | 11.200 |
N228 | 2228 | 140 | 250 | 42 | 8.270 |
N2228 | 2528 | 140 | 250 | 68 | 14.300 |
N230 | 2230 | 150 | 270 | 45 | 10.300 |
N2230 | 2530 | 150 | 270 | 73 | 18.700 |
N232 | 2232 | 160 | 290 | 48 | 14.400 |
N234 | 2234 | 170 | 310 | 52 | 18.400 |
N236 | 2236 | 180 | 320 | 52 | 19.300 |
N304 | 2304 | 20 | 52 | 15 | 0.147 |
N305 | 2305 | 25 | 62 | 17 | 0.241 |
N2305 | 2605 | 25 | 62 | 24 | 0.360 |
N306 | 2306 | 30 | 72 | 19 | 0.403 |
N2306 | 2606 | 30 | 72 | 27 | 0.540 |
N307 | 2307 | 35 | 80 | 21 | 0.477 |
N2307 | 2607 | 35 | 80 | 31 | 0.740 |
N308 | 2308 | 40 | 90 | 23 | 0.657 |
N2308 | 2608 | 40 | 90 | 33 | 1.000 |
N309 | 2309 | 45 | 100 | 25 | 0.870 |
N2309 | 2609 | 45 | 100 | 36 | 1.340 |
N310 | 2310 | 50 | 110 | 27 | 1.200 |
N2310 | 2610 | 50 | 110 | 40 | 1.150 |
N311 | 2311 | 55 | 120 | 29 | 1.440 |
N2311 | 2611 | 55 | 120 | 43 | 2.300 |
N312 | 2312 | 60 | 130 | 31 | 1.830 |
N2312 | 2612 | 60 | 130 | 46 | 2.770 |
N313 | 2313 | 65 | 140 | 33 | 2.240 |
N2313 | 2613 | 65 | 140 | 48 | 3.510 |
N314 | 2314 | 70 | 150 | 35 | 2.730 |
N2314 | 2614 | 70 | 150 | 51 | 3.860 |
N315 | 2315 | 75 | 160 | 37 | 3.240 |
N2315 | 2615 | 75 | 160 | 55 | 4.570 |
N316 | 2316 | 80 | 170 | 39 | 3.920 |
N2316 | 2616 | 80 | 170 | 58 | 6.300 |
N317 | 2317 | 85 | 180 | 41 | 4.520 |
N2317 | 2617 | 85 | 180 | 60 | 8.000 |
N318 | 2318 | 90 | 190 | 43 | 5.380 |
N2318 | 2618 | 90 | 190 | 64 | 8.690 |
N319 | 2319 | 95 | 200 | 45 | 6.200 |
N2319 | 2620 | 95 | 200 | 67 | 9.520 |
N320 | 2320 | 100 | 215 | 47 | 7.700 |
N2320 | 2620 | 100 | 215 | 73 | 12.100 |
N330 | 2330 | 150 | 320 | 65 | 26.400 |
N2330 | 2630 | 150 | 320 | 108 | 44.700 |