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Needle Roller Bearings

Needle roller bearings are distinguished for their compact designs ,and this feature makes them particularly suitable for using in machine parts where the radial space is limited .The room between housing and shaft should be restricted to a close limit .Needle roller bearings with one ring or needle rollers and cage assemblies only can also be produced , on condition that the accuracy and the surface finish of the working surface of the matching parts be identical with that of bearing rings .

Description

BEARINGS ITEM Dimension(mm) Basic load rating Limiting speeds Dimension Weight(kg)
NEW OLD d D B rmir rlmir Fw Ew Cr Cor Greas Oil d2 D2
NA5917 – 85 120 46 1.1 1.1 100 140 315 4500 108 1.66
NAL4034 4104134 170 260 90 2.1 192 787 1400 1100 1600 230 15.9
NAL4036 4104136 180 280 100 207 862 1610 940 1400 250 21.5
NAL4036M 4104136H 180 280 100 2.1 2.1 205 834 1460 940 1400 250.4 24.3
NAL4038 4104138 190 290 100 217 899 1670 900 1300 258 22.6
Y604708K1 604708K1 40 65 56.5 40.1 131 211 4500 6300 0.826
NAUL612WBF1 954712 60 120 58 106 248 329 2900 4400 79.2 3.32
RNAOL4921M 124721 105 146 66 146 293 521 1900 2900 3.62
NNAL6034X2W33X 154734 170 260 192 2.1 2.1 192 1430 3020 230 34.5
NNAL6034X2M/C4W33X 4G154734H 170 260 192 2.1 2.1 192 1430 3020 230 36.6
NNAL6/177.8Q4/W33XYA2 254735Q 177.8 244.475 162.925 3 3 198 889 2350 222 23.6
NNAL6036X2-1/W33X 154736 180 280 219 207 1430 3540 245 46.8
NNAL6/222.25-1Q4/C9W33XYA2 154744QU 222.25 298.45 225.425 2.1 2.1 242.35 1580 4640 271.2 45.2
Y294817Q 294817Q 100.5 150 133.35 2 100.5 573 1060 125.3 7.91
NNAL6036X2-2M/W33X 154836 180 280 219 2.1 2.1 207 1340 3280 250 49.6
Y4644838HK 4644838HK 210 240 50 1.5 210 223 631 1300 1900 215.5 3.28
NA4844A 4524844 220 270 50 1.5 1.5 240 177 684 1100 1700 6.88
NA4844A/YA4 452844K 220 270 50 1.5 1.5 242 177 684 6.88
NNAL6/101.6Q4/W33XYA2 354920Q 101.6 171.45 133.35 2 2 127 538 1400 146.6 13.5
NNAL6/139.7Q4/C9W33YA2 154928QU 139.7 203.2 146.558 2 2 155.5 845 1950 181.1 15.8
NNAL6/146.05Q4/C9W33YA2 154930QU 146.05 209.55 162.306 2 2 161.8 921 2210 187.4 18.3
NNAL6/158.75Q4/W33X 154932QU 158.75 231.775 161.925 2.1 2.1 177.3 1020 2390 205.5 23.5
NNAL6/158.75Q4/C9W33X 154932QU1 158.75 231.775 161.925 2.1 2.1 177.3 1020 2390 205.5 23.5
NNAL635Q4/W33X 354935Q 175 245 160 – – 197 876 2540 1000 1500 222.6 24.9
NNAL6/177.8-2Q4/W33XYA2 254936Q 177.8 257.175 196.85 2 2 199.5 1230 3030 229.9 34.2
NNAL6/177.8-2Q4/C9W33XYA2 254936QU 177.8 257.175 196.85 2 2 199.5 1230 3030 229.9 34.2
NNAL6/187.325Q4/C9W33YA2 154937QU 187.325 266.7 217.475 2.1 2.1 207.512 1560 4110 238.7 42.2
NNAL6/206.375Q4/W33XYA2 254941QU 206.375 285.75 222.25 5 5 230.5 1450 2200 258 44.9
NNAL6/206.375Q4/C9W33XYA2 254941QU1 206.375 285.75 222.25 5 5 230.5 1450 2200 258 44.9
NNAL6/209.55Q4/W33X 154942 209.55 282.575 236.525 – 3.5 230.188 1490 4630 840 1200 255 43.2
NNAL6/209.55Q4/C9W33X 154942QU 209.55 282.575 236.525 3.5 3.5 230.188 1490 4630 840 1200 255 43.7
NNAL6/209.55Q4/W33X 154942Q 209.55 282.575 236.525 3.5 3.5 230.188 1490 4630 840 1200 255 43.7
NNAL6/209.55/HCW33X 154942S 209.55 282.575 236.525 3.5 3.5 230.188 1490 4630 840 1200 255 43.2
NNAL6/222.25Q4/C9W33XYA2 154944QU 222.25 298.45 228.6 2.1 2.1 242.35 1600 4720 700 1100 271.2 45.9
NNAL6/228.6/C3W33X 3G154946 228.6 317.5 241.3 3 3 252.5 1910 5370 570 900 286.1 54.0
NAL28/1130X1V 749/1130 1130 1310 140 6 6 1191 3270 14500 1237 324

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