Single-row and duplex angular contact ball bearings NTN 7 series 

Type

Single row angular contact ball bearings, Double row angular contact ball bearings

Bearing structure

Full cover rings

Rolling element

Ball

Number of rolling row

1, 2

Bearing shape

Standard

For shaft type

Round

Cover type

Open

Shaft mount type

Press Fit

Bore diameter

10mm, 12mm, 15mm, 17mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm, 220mm, 240mm, 260mm, 280mm, 300mm

Outside diameter

26mm, 30mm, 32mm, 28mm, 35mm, 40mm, 47mm, 52mm, 62mm, 72mm, 42mm, 80mm, 85mm, 90mm, 100mm, 55mm, 110mm, 120mm, 125mm, 130mm, 68mm, 140mm, 150mm, 75mm, 160mm, 170mm, 180mm, 190mm, 200mm, 215mm, 95mm, 230mm, 250mm, 270mm, 290mm, 310mm, 320mm, 105mm, 115mm, 340mm, 360mm, 37mm, 145mm, 165mm, 210mm, 225mm, 220mm, 240mm, 260mm, 280mm, 300mm, 380mm, 400mm, 420mm

Bearing thickness

8mm, 9mm, 10mm, 11mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 13mm, 22mm, 23mm, 24mm, 25mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 45mm, 48mm, 52mm, 55mm, 58mm, 27mm, 29mm, 31mm, 33mm, 35mm, 37mm, 39mm, 41mm, 43mm, 47mm, 49mm, 50mm, 62mm, 46mm, 65mm, 68mm, 72mm, 75mm, 51mm, 78mm, 80mm, 56mm

Contact angle

30°, 40°, 15°

Duplex arrangement

Back to back arrangement, Face to face arrangement, Tandem arrangement

Reference speed

29000rpm, 28000rpm, 24000rpm, 26000rpm, 22000rpm, 25000rpm, 21000rpm, 23000rpm, 19000rpm, 18000rpm, 17000rpm, 15000rpm, 16000rpm, 13000rpm, 14000rpm, 12000rpm, 11000rpm, 9600rpm, 9300rpm, 9800rpm, 8400rpm, 10000rpm, 8300rpm, 8600rpm, 7400rpm, 9500rpm, 8700rpm, 7800rpm, 6600rpm, 9200rpm, 7900rpm, 6700rpm, 7100rpm, 6000rpm, 6100rpm, 6400rpm, 5500rpm, 7200rpm, 5700rpm, 5900rpm, 5100rpm, 5200rpm, 4700rpm, 6200rpm, 4900rpm, 4400rpm, 6300rpm, 5800rpm, 5300rpm, 4500rpm, 4800rpm, 4100rpm, 5000rpm, 4300rpm, 3800rpm, 4000rpm, 4200rpm, 3600rpm, 3400rpm, 4600rpm, 3500rpm, 3700rpm, 3200rpm, 3900rpm, 3000rpm, 2900rpm, 2700rpm, 2800rpm, 2500rpm, 3300rpm, 2300rpm, 3100rpm, 2100rpm, 2200rpm, 2000rpm, 2400rpm, 1800rpm, 1900rpm, 1700rpm, 1600rpm, 1500rpm, 1400rpm

Basic dynamic load

5100N, 6000N, 5500N, 11200N, 10500N, 5600N, 8400N, 7750N, 12400N, 11700N, 6400N, 10000N, 9250N, 14900N, 13800N, 7950N, 13200N, 12200N, 17700N, 16400N, 10700N, 16100N, 14700N, 20700N, 19200N, 7900N, 11900N, 18000N, 29300N, 27000N, 8350N, 15400N, 24900N, 22700N, 37500N, 34000N, 13300N, 19400N, 33000N, 30000N, 44000N, 40500N, 14000N, 20800N, 39000N, 35500N, 54000N, 49500N, 17400N, 24700N, 40000N, 70500N, 64500N, 18400N, 26200N, 45500N, 41500N, 82500N, 75500N, 34500N, 56500N, 51500N, 95000N, 87000N, 20000N, 68500N, 62000N, 109000N, 99500N, 20200N, 78000N, 123000N, 113000N, 29000N, 47500N, 84500N, 76500N, 138000N, 127000N, 29400N, 48500N, 87500N, 79000N, 150000N, 29800N, 59000N, 98500N, 89000N, 163000N, 149000N, 60500N, 110000N, 176000N, 161000N, 39500N, 72000N, 130000N, 118000N, 189000N, 173000N, 74000N, 148000N, 134000N, 202000N, 185000N, 53000N, 159000N, 144000N, 230000N, 211000N, 88500N, 157000N, 244000N, 224000N, 54500N, 102000N, 188000N, 170000N, 273000N, 250000N, 67500N, 104000N, 183000N, 249000N, 83000N, 217000N, 196000N, 305000N, 277000N, 83500N, 133000N, 225000N, 203000N, 335000N, 108000N, 152000N, 257000N, 232000N, 365000N, 172000N, 291000N, 263000N, 385000N, 350000N, 115000N, 206000N, 325000N, 295000N, 430000N, 395000N, 145000N, 242000N, 340000N, 455000N, 415000N, 147000N, 248000N, 300000N, 475000N, 205000N, 279000N, 375000N, 500000N, 207000N, 213000N, 285000N, 289000N, 360000N

Basic static load

2070N, 2740N, 2520N, 4950N, 4600N, 2460N, 3950N, 3650N, 5250N, 3150N, 4700N, 4350N, 7200N, 6650N, 3850N, 6600N, 6100N, 8650N, 8050N, 5600N, 8400N, 7700N, 10400N, 9650N, 6850N, 10300N, 9400N, 15800N, 14600N, 5750N, 9450N, 14800N, 13500N, 22300N, 20500N, 8850N, 12600N, 20100N, 18400N, 26300N, 24200N, 10200N, 25100N, 23000N, 33000N, 30500N, 12900N, 17700N, 28700N, 26200N, 44000N, 40500N, 14500N, 31500N, 28600N, 52500N, 48500N, 16100N, 39500N, 36000N, 61500N, 56500N, 17400N, 28100N, 49000N, 44500N, 71500N, 66000N, 18000N, 58000N, 82000N, 75500N, 63500N, 93500N, 86000N, 27100N, 41500N, 68500N, 62000N, 106000N, 97500N, 28000N, 50500N, 76000N, 69500N, 119000N, 109000N, 38000N, 53500N, 88500N, 80500N, 133000N, 122000N, 103000N, 94000N, 147000N, 135000N, 67000N, 118000N, 107000N, 162000N, 149000N, 70500N, 126000N, 114000N, 193000N, 178000N, 54500N, 81500N, 142000N, 129000N, 210000N, 194000N, 56000N, 93000N, 158000N, 144000N, 246000N, 226000N, 98500N, 177000N, 252000N, 231000N, 87500N, 125000N, 198000N, 180000N, 293000N, 268000N, 90000N, 215000N, 195000N, 335000N, 310000N, 117000N, 154000N, 259000N, 235000N, 380000N, 350000N, 121000N, 176000N, 305000N, 279000N, 420000N, 385000N, 214000N, 360000N, 325000N, 485000N, 445000N, 163000N, 266000N, 535000N, 490000N, 169000N, 280000N, 390000N, 355000N, 585000N, 450000N, 410000N, 610000N, 555000N, 239000N, 255000N, 375000N, 520000N

Load direction

Combined radial and axial

Cage method

Resin cage, Machined cage, Pressed cage

Cage material

Polymer, Brass, Steel

Roller element material

Steel

Internal clearance/ preload/ Tolerance class

Standard, Normal preload, Light preload, Medium preload, Heavy preload, JIS class 4, ISO class 5

Lubrication

Grease, Oil

Overall depth (Cylindrical object)

8mm, 9mm, 10mm, 11mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 13mm, 22mm, 23mm, 24mm, 25mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 45mm, 48mm, 52mm, 55mm, 58mm, 27mm, 29mm, 31mm, 33mm, 35mm, 37mm, 39mm, 41mm, 43mm, 47mm, 49mm, 50mm, 62mm, 46mm, 65mm, 68mm, 72mm, 75mm, 51mm, 78mm, 80mm, 56mm

Overall diameter

26mm, 30mm, 32mm, 28mm, 35mm, 40mm, 47mm, 52mm, 62mm, 72mm, 42mm, 80mm, 85mm, 90mm, 100mm, 55mm, 110mm, 120mm, 125mm, 130mm, 68mm, 140mm, 150mm, 75mm, 160mm, 170mm, 180mm, 190mm, 200mm, 24mm, 95mm, 215mm, 360mm, 270mm, 290mm, 310mm, 300mm, 105mm, 115mm, 220mm, 340mm, 37mm, 145mm, 165mm, 210mm, 225mm, 320mm, 240mm, 260mm, 280mm, 175mm, 250mm, 380mm, 400mm

Approx. weight

0.023kg, 0.029kg, 0.04kg, 0.041kg, 0.025kg, 0.035kg, 0.036kg, 0.044kg, 0.045kg, 0.046kg, 0.055kg, 0.057kg, 0.064kg, 0.066kg, 0.107kg, 0.109kg, 0.08kg, 0.1kg, 0.102kg, 0.138kg, 0.141kg, 0.05kg, 0.093kg, 0.125kg, 0.129kg, 0.23kg, 0.234kg, 0.058kg, 0.135kg, 0.193kg, 0.197kg, 0.345kg, 0.352kg, 0.088kg, 0.18kg, 0.281kg, 0.287kg, 0.462kg, 0.469kg, 0.13kg, 0.222kg, 0.355kg, 0.375kg, 0.625kg, 0.636kg, 0.15kg, 0.282kg, 0.404kg, 0.41kg, 0.837kg, 0.854kg, 0.157kg, 0.306kg, 0.457kg, 0.466kg, 1.09kg, 1.11kg, 0.214kg, 0.447kg, 0.6kg, 0.612kg, 1.39kg, 1.42kg, 0.478kg, 0.765kg, 0.78kg, 1.74kg, 1.77kg, 0.245kg, 0.509kg, 0.962kg, 0.981kg, 2.11kg, 2.15kg, 0.397kg, 0.705kg, 2.56kg, 2.61kg, 0.42kg, 0.745kg, 1.17kg, 1.19kg, 3.07kg, 3.13kg, 0.444kg, 0.994kg, 3.65kg, 3.72kg, 0.628kg, 1.04kg, 1.78kg, 1.82kg, 4.34kg, 4.43kg, 0.658kg, 1.35kg, 2.18kg, 2.22kg, 5.06kg, 5.16kg, 0.688kg, 1.41kg, 2.67kg, 2.72kg, 5.89kg, 6kg, 0.934kg, 1.47kg, 3.2kg, 3.26kg, 7.18kg, 7.32kg, 0.972kg, 1.86kg, 3.79kg, 3.87kg, 8.2kg, 8.36kg, 1.01kg, 2.3kg, 4.45kg, 4.54kg, 9.6kg, 9.8kg, 1.66kg, 2.47kg, 6.26kg, 14.7kg, 3.73kg, 7.15kg, 17.6kg, 1.94kg, 3.96kg, 8.78kg, 21.5kg, 2.96kg, 4.82kg, 11kg, 25.1kg, 5.96kg, 13.7kg, 29.8kg, 3.29kg, 7.96kg, 17kg, 35.3kg, 4.87kg, 10.4kg, 17.7kg, 40.9kg, 5.1kg, 10.8kg, 21.3kg, 47kg, 14kg, 25.3kg, 53.1kg, 7.74kg, 8.34kg, 14.8kg, 23.7kg