High definition Roller Chain - Double Row Cylindrical Roller Bearing D 105-630mm – Demy
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Short Description:
WELCOME TO DEMY BEARING，WELCOME TO VISIT OUR FACTORY
Our development depends on the advanced equipment, excellent talents and continuously strengthened technology forces. High definition Roller Chain - Double Row Cylindrical Roller Bearing D 105-630mm – Demy, With a wide range, good quality, reasonable prices and good service, we will be your best business partner. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
| Boundary dimensions(mm) | Load rating(kN) | Limiting speed (r/min) | Bearing numbers | Mounting dimensions(mm) | Weight (reference) Tapered bore (kg) |
|||||||||||||||
| d | D | B | r1,2 min |
Fw | Ew | b | k | Cr | Cor | Grease | Oil | Cylindrical bore | Tapered bore | da min |
da max |
db min |
Da max |
Da min |
ra max |
|
| 105 | 145 | 40 | 1.1 | 118.0 | – | 8 | 3.0 | 146.0 | 268.0 | 5300 | 6000 | NNU4921/W33 | NNU4921K/W33 | 111.5 | 116 | 120 | 138.5 | – | 1.0 | 2.000 |
| 105 | 160 | 41 | 2.0 | – | 146.0 | 12 | 4.0 | 190.0 | 306.0 | 5000 | 5600 | NN3021/W33 | NN3021 K/W33 | 114.0 | – | – | 151.0 | 148 | 2.0 | 2.660 |
| 110 | 150 | 40 | 1.1 | 123.0 | – | 8 | 3.0 | 151.0 | 284.0 | 5300 | 6000 | NNU4922/W33 | NNU4922K/W33 | 116.5 | 121 | 125 | 143.5 | – | 1.0 | 2.110 |
| 110 | 170 | 45 | 2.0 | – | 155.0 | 12 | 4.0 | 221.0 | 358.0 | 4800 | 5300 | NN3022/W33 | NN3022K/W33 | 119.0 | – | – | 161.0 | 157 | 2.0 | 3.380 |
| 120 | 165 | 45 | 1.1 | 134.5 | – | 8 | 3.0 | 215.0 | 362.0 | 4800 | 5300 | NNU4924/W33 | NNU4924K/W33 | 126.5 | 133 | 137 | 158.5 | – | 1.0 | 2.830 |
| 120 | 180 | 46 | 2.0 | – | 165.0 | 12 | 4.0 | 231.0 | 388.0 | 4500 | 5000 | W3024/W33 | NN3024K/W33 | 129.0 | – | – | 171.0 | 167 | 2.0 | 3.710 |
| 130 | 180 | 50 | 1.5 | 146.0 | – | 8 | 3.0 | 242.0 | 440.0 | 4300 | 4800 | NNU4926/W33 | NNU4926K/W33 | 138.0 | 144 | 149 | 172.0 | – | 1.5 | 3.820 |
| 130 | 200 | 52 | 2.0 | – | 182.0 | 12 | 4.0 | 312.0 | 495.0 | 4000 | 4500 | NN3026/W33 | NN3026K/W33 | 139.0 | – | – | 191.0 | 183 | 2.0 | 5.300 |
| 140 | 190 | 50 | 1.5 | 156.0 | – | 8 | 3.0 | 250.0 | 470.0 | 4000 | 4500 | NNU4928/W33 | NNU4928K/W33 | 148.0 | 154 | 158 | 182.0 | – | 1.5 | 4.040 |
| 140 | 210 | 53 | 2.0 | – | 192.0 | 12 | 4.0 | 297.0 | 516.0 | 3800 | 4300 | NN3028/W33 | NN3028K/W33 | 149.0 | – | – | 201.0 | 194 | 2.0 | 6.120 |
| 150 | 210 | 60 | 2.0 | 168.5 | – | 8 | 4.0 | 380.0 | 690.0 | 3800 | 4300 | NNU4930/W33 | NNU4930K/W33 | 159.0 | 166 | 171 | 201.0 | – | 2.0 | 6.370 |
| 150 | 225 | 56 | 2.1 | – | 206.0 | 14 | 4.5 | 334.0 | 579.0 | 3600 | 4000 | NN3030/W33 | NN3030K/W33 | 161.0 | – | – | 214.0 | 208 | 2.0 | 7.540 |
| 160 | 220 | 60 | 2.0 | 178.5 | – | 8 | 4.0 | 391.0 | 740.0 | 3600 | 4000 | NNU4932/W33 | NNU4932K/W33 | 169.0 | 176 | 182 | 211.0 | – | 2.0 | 6.730 |
| 170 | 230 | 60 | 2.0 | 188.5 | – | 8 | 4.0 | 396.0 | 765.0 | 3400 | 3800 | NNU4934/W33 | NNU4934K/W33 | 179.0 | 186 | 192 | 221.0 | – | 2.0 | 7.1 10 |
| 170 | 260 | 67 | 2.1 | – | 236.0 | 14 | 4.5 | 438.0 | 785.0 | 3000 | 3400 | – | NN3034K/W33 | 181.0 | – | – | 249.0 | 238 | 2.0 | 12.500 |
| 180 | 250 | 69 | 2.0 | 202.0 | – | 10 | 4.0 | 506.0 | 965.0 | 3000 | 3400 | NNU4936/W33 | NNU4936K/W33 | 189.0 | 199 | 205 | 241.0 | – | 2.0 | 10.400 |
| 180 | 280 | 74 | 2.1 | – | 255.0 | 14 | 4.5 | 562.0 | 986.0 | 2800 | 3200 | – | NN3036K/W33 | 191.0 | – | – | 269.0 | 257 | 2.0 | 16.400 |
| 190 | 260 | 69 | 2.0 | 212.0 | – | 10 | 4.0 | 523.0 | 1030.0 | 2800 | 3200 | NNU4938/W33 | NNU4938K/W33 | 199.0 | 209 | 215 | 251.0 | – | 2.0 | 10.900 |
| 190 | 290 | 75 | 2.1 | – | 265.0 | 14 | 4.5 | 645.0 | 1058.0 | 2600 | 3000 | – | NN3038K/W33 | 201.0 | – | – | 279.0 | 267 | 2.0 | 17.800 |
| 200 | 280 | 80 | 2.1 | 225.0 | – | 14 | 4.5 | 572.0 | 1260.0 | 2600 | 3000 | NNU4940/W33 | NNU4940K/W33 | 211.0 | 222 | 228 | 269.0 | – | 2.0 | 15.300 |
| 200 | 310 | 82 | 2.1 | – | 282.0 | 14 | 6.0 | 672.0 | 1177.0 | 2400 | 2800 | – | NN3040K/W33 | 211.0 | – | – | 299.0 | 285 | 2.0 | 22.500 |
| 220 | 300 | 80 | 2.1 | 245.0 | – | 14 | 4.5 | 600.0 | 1330.0 | 2400 | 2800 | NNU4944/W33 | NNU4944K/W33 | 231.0 | 242 | 248 | 289.0 | – | 2.0 | 16.600 |
| 220 | 340 | 90 | 3.0 | – | 310.0 | 14 | 6.0 | 809.0 | 1440.0 | 2200 | 2600 | – | NN3044K/W33 | 233.0 | – | – | 327.0 | 313 | 2.5 | 29.600 |
| 240 | 320 | 80 | 2.1 | 265.0 | – | 14 | 4.5 | 625.0 | 1450.0 | 2200 | 2600 | NNU4948/W33 | NNU4948K/W33 | 251.0 | 262 | 269 | 309.0 | – | 2.0 | 18.000 |
| Boundary dimensions(mm) | Load rating(kN) | Limiting speed (r/min) | Bearing numbers | Mounting dimensions(mm) | Weight (reference) Tapered bore (kg) |
|||||||||||||||
| d | D | B | r1,2 min |
Fw | Ew | b | k | Cr | Cor | Grease | Oil | Cylindrical bore | Tapered bore | da min |
da max |
db min |
Da max |
Da min |
ra max |
|
| 240 | 360 | 92 | 3.0 | – | 330.0 | 14 | 6.0 | 842.0 | 1560.0 | 2000 | 2400 | – | NN3048K/W33 | 253.0 | – | – | 347.0 | 333 | 2.5 | 32.7000 |
| 260 | 360 | 100 | 2.1 | 292.0 | – | 14 | 4.5 | 935.0 | 1620.0 | 2000 | 2400 | NNU4952/W33 | NNU4952K/W33 | 271.0 | 288 | 296 | 349.0 | – | 2.0 | 31.100 |
| 260 | 400 | 104 | 4.0 | – | 364.0 | 14 | 6.0 | 1020.0 | 1910.0 | 1900 | 2200 | – | NN3052K/W33 | 276.0 | – | – | 384.0 | 367 | 3.0 | 47.700 |
| 280 | 420 | 106 | 4.0 | – | 384.0 | – | – | 1060 | 2290 | 2200 | 1800 | – | NN3056K | 296 | – | – | – | 404 | 3 | 49.700 |
| 280 | 420 | 106 | 4.0 | – | 384.0 | – | – | 1060 | 2290 | 1700 | 1400 | NN3056 | – | 296 | – | – | – | 404 | 3 | 52.300 |
| 300 | 460 | 118 | 4.0 | – | 418.0 | – | – | 1290 | 2790 | 1200 | 1500 | – | 3182160* | 316 | – | – | – | 444 | 3 | 76.200 |
| 300 | 460 | 118 | 4.0 | – | 418.0 | – | – | 1290 | 2790 | 1200 | 1500 | – | 3282160* | 316 | – | – | – | 444 | 3 | 77.900 |
| 320 | 480 | 121 | 4.0 | – | 438.0 | 17.7 | 8 | 1360 | 2910 | 1100 | 1400 | NN3064/W33 | – | 336 | – | – | – | 464 | 3 | 76.300 |
| 320 | 480 | 145 | 3.7 | 364.0 | – | 18 | 8 | 1650 | 3870 | 1100 | 1300 | – | 482764* | – | – | – | – | – | – | 93.300 |
| 500 | 670 | 160 | 5.0 | 554.0 | – | – | – | 2230 | 6800 | 750 | 1000 | NNU49/500X2F1/YA34 | – | – | – | – | – | – | – | 174.000 |
| 530 | 710 | 180 | 5.0 | 588.0 | – | 17.7 | 6 | 2660 | 7450 | 700 | 950 | NNU49/530/HCW33 | – | – | – | – | – | – | – | 203.000 |
| 560 | 820 | 195 | 6.0 | – | 755.0 | – | – | 3380 | 8170 | 600 | 850 | – | NN30/560K | 590 | – | – | – | 790 | 6 | 337.000 |
| 600 | 870 | 200 | 6.0 | – | 805.0 | – | – | 4050 | 9850 | 600 | 800 | – | 31821/600* | 630 | – | – | – | 840 | 6 | 384.000 |
| 600 | 870 | 200 | 6.0 | – | 805.0 | 15 | 8 | 4050 | 9850 | 600 | 800 | – | 32821/600K* | 630 | – | – | – | 840 | 6 | 403.000 |
| 630 | 920 | 212 | 7.5 | – | 850.0 | – | – | 4350 | 10600 | 550 | 750 | – | 31821/630* | 660 | – | – | – | 890 | 6 | 438.000 |
| 630 | 920 | 212 | 7.5 | – | 850.0 | 15 | 8 | 4350 | 10600 | 550 | 750 | – | 32821/630K* | 660 | – | – | – | 890 | 6 | 460.000 |
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