Single-row angular contact ball bearing NSK 7 series 

Type

Single row angular contact ball bearings

Bearing structure

Full cover rings

Rolling element

Ball

Number of rolling row

1

Bearing shape

Standard

For shaft type

Standard

Cover type

Open

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

Outside diameter

26mm, 28mm, 32mm, 35mm, 42mm, 47mm, 55mm, 62mm, 68mm, 75mm, 80mm, 90mm, 95mm, 100mm, 110mm, 115mm, 125mm, 130mm, 140mm, 145mm, 150mm, 160mm, 170mm, 180mm, 200mm, 210mm, 225mm, 240mm, 260mm, 280mm, 290mm, 310mm, 30mm, 40mm, 52mm, 72mm, 85mm, 120mm, 190mm, 215mm, 230mm, 250mm, 270mm, 320mm, 340mm, 360mm, 37mm, 300mm, 380mm, 400mm, 420mm, 22mm, 24mm, 105mm, 165mm, 220mm

Bearing thickness

8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 33mm, 35mm, 38mm, 42mm, 46mm, 51mm, 11mm, 17mm, 19mm, 21mm, 23mm, 25mm, 30mm, 32mm, 34mm, 36mm, 40mm, 45mm, 48mm, 52mm, 55mm, 58mm, 27mm, 29mm, 31mm, 37mm, 39mm, 41mm, 43mm, 47mm, 49mm, 50mm, 62mm, 65mm, 68mm, 72mm, 75mm, 78mm, 80mm, 6mm, 7mm, 56mm

Contact angle

15°, 25°, 30°, 40°

Duplex arrangement

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

Reference speed

3600rpm, 3800rpm, 4000rpm, 4300rpm, 4800rpm, 5000rpm, 5600rpm, 6300rpm, 7100rpm, 8000rpm, 2800rpm, 3000rpm, 3200rpm, 5300rpm, 6700rpm, 6000rpm, 7500rpm, 8500rpm, 9000rpm, 9500rpm, 10000rpm, 11000rpm, 12000rpm, 13000rpm, 14000rpm, 16000rpm, 18000rpm, 15000rpm, 22000rpm, 24000rpm, 20000rpm, 28000rpm, 34000rpm, 30000rpm, 38000rpm, 32000rpm, 45000rpm, 48000rpm, 40000rpm, 1200rpm, 1300rpm, 1400rpm, 1500rpm, 1600rpm, 1700rpm, 1800rpm, 2000rpm, 1900rpm, 2200rpm, 2600rpm, 2400rpm, 3400rpm, 4500rpm, 36000rpm, 17000rpm, 19000rpm, 26000rpm, 1100rpm, 1000rpm, 950rpm

Basic dynamic load

144000N, 134000N, 124000N, 114000N, 102000N, 89000N, 78000N, 62500N, 53000N, 40500N, 189000N, 147000N, 145000N, 113000N, 106000N, 96500N, 79500N, 75000N, 78500N, 74000N, 72000N, 67500N, 52000N, 49000N, 51000N, 48000N, 50000N, 47500N, 42500N, 40000N, 41500N, 39500N, 39000N, 36500N, 29000N, 27300N, 28600N, 26900N, 28100N, 26500N, 20200N, 19100N, 19400N, 18300N, 18100N, 16900N, 15900N, 16000N, 15100N, 14300N, 12100N, 11400N, 8300N, 7850N, 7450N, 6950N, 6600N, 5000N, 4750N, 4550N, 3350N, 3200N, 3000N, 2880N, 430000N, 475000N, 410000N, 450000N, 375000N, 355000N, 390000N, 315000N, 345000N, 289000N, 275000N, 300000N, 250000N, 273000N, 238000N, 225000N, 246000N, 226000N, 201000N, 220000N, 213000N, 191000N, 208000N, 202000N, 190000N, 207000N, 180000N, 167000N, 183000N, 169000N, 156000N, 171000N, 157000N, 146000N, 159000N, 136000N, 125000N, 111000N, 98000N, 86000N, 63500N, 31000N, 33500N, 27200N, 24400N, 26400N, 19800N, 17300N, 18700N, 16800N, 14800N, 12500N, 13400N, 11100N, 8850N, 9450N, 8750N, 9300N, 305000N, 335000N, 284000N, 276000N, 266000N, 295000N, 263000N, 248000N, 197000N, 218000N, 179000N, 165000N, 176000N, 154000N, 170000N, 162000N, 148000N, 142000N, 149000N, 130000N, 133000N, 123000N, 116000N, 128000N, 109000N, 107000N, 118000N, 96000N, 93000N, 103000N, 87500N, 80500N, 83000N, 68500N, 76000N, 75500N, 69000N, 76500N, 73000N, 70000N, 70500N, 64000N, 61500N, 56000N, 62000N, 51500N, 46500N, 43000N, 42000N, 37500N, 41000N, 36000N, 38500N, 32000N, 35500N, 30500N, 32500N, 27100N, 29700N, 23000N, 23700N, 20500N, 22500N, 16600N, 17600N, 16200N, 14600N, 15600N, 13300N, 14500N, 10900N, 11600N, 9950N, 10800N, 8650N, 9800N, 7950N, 7900N, 8150N, 8000N, 5400N, 240000N, 224000N, 186000N, 155000N, 137000N, 120000N, 117000N, 88000N, 80000N, 73500N, 67000N, 71500N, 60000N, 56500N, 58500N, 55000N, 45000N, 47000N, 44000N, 37000N, 35000N, 33000N, 34000N, 26000N, 24500N, 23100N, 20600N, 19500N, 11700N, 11300N, 6400N, 6250N, 6100N, 5800N, 5300N, 5350N, 4700N, 4900N, 8800N, 8100N, 14200N, 5200N, 5450N, 9400N, 13000N, 12800N, 15400N, 14400N, 7400N, 7750N, 10100N, 14000N, 12900N, 14100N, 21800N, 10400N, 10700N, 16100N, 25900N, 24000N, 18000N, 23500N, 21600N, 23600N, 28200N, 12700N, 19000N, 26300N, 27000N, 13500N, 24600N, 54500N, 50500N, 18600N, 19600N, 48500N, 49500N, 65000N, 65500N, 23300N, 31500N, 57500N, 59000N, 86500N, 64500N, 66500N, 27400N, 60500N, 69500N, 121000N, 127000N, 29300N, 52500N, 55500N, 139000N, 29800N, 53500N, 57000N, 100000N, 91000N, 104000N, 166000N, 119000N, 184000N, 45500N, 112000N, 129000N, 203000N, 221000N, 217000N, 44500N, 89500N, 95500N, 131000N, 151000N, 239000N, 235000N, 59500N, 63000N, 91500N, 174000N, 258000N, 236000N, 173000N, 199000N, 277000N, 254000N, 188000N, 216000N, 297000N, 272000N, 77000N, 81500N, 122000N, 233000N, 212000N, 242000N, 310000N, 143000N, 231000N, 264000N, 84500N, 172000N, 286000N, 360000N, 325000N, 110000N, 269000N, 400000N, 365000N, 278000N, 445000N, 405000N, 320000N, 490000N, 222000N, 515000N, 470000N, 252000N, 425000N, 385000N, 565000N, 480000N, 435000N, 630000N, 575000N, 495000N, 665000N, 605000N, 510000N, 460000N, 730000N, 670000N, 550000N, 770000N, 700000N

Basic static load

110000N, 98500N, 87500N, 77000N, 68500N, 58500N, 50500N, 39500N, 33000N, 24400N, 244000N, 192000N, 184000N, 148000N, 133000N, 122000N, 115000N, 95500N, 90000N, 91000N, 86000N, 81000N, 59500N, 56000N, 57000N, 54000N, 51500N, 48000N, 45500N, 46000N, 43500N, 40500N, 38500N, 30500N, 29000N, 29300N, 27700N, 27800N, 26300N, 20500N, 19400N, 18700N, 17700N, 16800N, 15000N, 14200N, 13400N, 12700N, 11700N, 11200N, 9150N, 8700N, 6250N, 5950N, 5400N, 5150N, 4250N, 4050N, 2940N, 2800N, 2640N, 2530N, 1860N, 1770N, 1520N, 1450N, 600000N, 660000N, 550000N, 490000N, 535000N, 445000N, 485000N, 385000N, 420000N, 340000N, 370000N, 310000N, 335000N, 268000N, 293000N, 250000N, 231000N, 252000N, 226000N, 197000N, 215000N, 203000N, 177000N, 193000N, 187000N, 178000N, 160000N, 149000N, 162000N, 146000N, 135000N, 147000N, 119000N, 106000N, 93500N, 82000N, 71500N, 61500N, 52000N, 20600N, 19300N, 20900N, 14900N, 14600N, 15800N, 10500N, 9650N, 10400N, 8300N, 8000N, 8650N, 6900N, 6600N, 7100N, 4950N, 4200N, 4500N, 4300N, 410000N, 450000N, 375000N, 350000N, 325000N, 360000N, 279000N, 305000N, 254000N, 280000N, 213000N, 234000N, 175000N, 144000N, 158000N, 143000N, 129000N, 142000N, 127000N, 114000N, 126000N, 112000N, 107000N, 101000N, 111000N, 105000N, 94000N, 103000N, 90500N, 81500N, 89000N, 77500N, 70000N, 69500N, 76000N, 63500N, 64500N, 58000N, 53500N, 52500N, 49000N, 45000N, 44500N, 48500N, 40000N, 37000N, 36000N, 31500N, 29700N, 28600N, 28800N, 27100N, 26200N, 28700N, 25200N, 24500N, 23000N, 25100N, 19900N, 19600N, 18400N, 20100N, 14700N, 14300N, 13500N, 14800N, 10200N, 9400N, 10300N, 8050N, 8150N, 7650N, 5850N, 6100N, 5500N, 6000N, 4550N, 4800N, 4650N, 3850N, 3750N, 2610N, 2500N, 2710N, 214000N, 176000N, 154000N, 125000N, 104000N, 89500N, 70500N, 73000N, 67000N, 69000N, 66500N, 55500N, 53000N, 43000N, 41500N, 34500N, 29500N, 21900N, 21100N, 15900N, 15400N, 13700N, 10100N, 7400N, 6550N, 3800N, 3400N, 3450N, 2900N, 2980N, 2490N, 2600N, 3050N, 5200N, 5000N, 8600N, 8100N, 3550N, 3700N, 5800N, 7500N, 7700N, 9000N, 8400N, 5050N, 5300N, 6850N, 6750N, 9300N, 9050N, 13200N, 5600N, 7600N, 12000N, 11000N, 17300N, 16000N, 8500N, 13100N, 16600N, 15300N, 16100N, 20800N, 10800N, 18800N, 20400N, 11900N, 12500N, 20200N, 27000N, 17400N, 18300N, 26800N, 27300N, 36500N, 22300N, 23500N, 31000N, 32000N, 66000N, 65500N, 25400N, 37500N, 57500N, 87000N, 79500N, 28400N, 30000N, 42000N, 44000N, 63000N, 33500N, 35500N, 79000N, 72000N, 80000N, 123000N, 117000N, 59000N, 97500N, 137000N, 39000N, 41000N, 116000N, 164000N, 82500N, 91500N, 140000N, 212000N, 152000N, 139000N, 155000N, 238000N, 220000N, 181000N, 265000N, 92000N, 138000N, 206000N, 188000N, 209000N, 294000N, 270000N, 96000N, 134000N, 221000N, 202000N, 224000N, 298000N, 108000N, 141000N, 251000N, 229000N, 355000N, 163000N, 179000N, 283000N, 258000N, 286000N, 191000N, 208000N, 315000N, 289000N, 320000N, 430000N, 395000N, 505000N, 460000N, 172000N, 182000N, 585000N, 180000N, 470000N, 425000N, 670000N, 615000N, 560000N, 510000N, 745000N, 680000N, 555000N, 845000N, 770000N, 297000N, 715000N, 650000N, 970000N, 890000N, 700000N, 1070000N, 975000N, 825000N, 750000N, 1200000N, 1100000N, 620000N, 900000N, 815000N, 1320000N

Load direction

Combined radial, axial and moment

Ring material

Stainless steel

Cage method

Machined cage, Molded cage, Pressed cage

Cage material

Brass, L-PPS resin, Nylon 46, Steel

Roller element material

Steel

Internal clearance/ preload/ Tolerance class

Standard, Extra light preload, ISO class 4, ISO class 5, Clearance C3, Clearance C4, Light preload, Medium preload, Heavy preload

Lubrication

Grease, Oil

Operating temperature

150°C or less

Overall length

8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 33mm, 35mm, 38mm, 42mm, 46mm, 51mm, 11mm, 17mm, 19mm, 21mm, 23mm, 25mm, 30mm, 32mm, 34mm, 36mm, 40mm, 45mm, 48mm, 52mm, 55mm, 58mm, 27mm, 29mm, 31mm, 37mm, 39mm, 41mm, 43mm, 47mm, 49mm, 50mm, 62mm, 67mm, 65mm, 68mm, 72mm, 78mm, 75mm, 6mm, 7mm, 56mm

Overall diameter

26mm, 28mm, 32mm, 35mm, 42mm, 47mm, 55mm, 62mm, 68mm, 75mm, 80mm, 90mm, 95mm, 100mm, 110mm, 115mm, 125mm, 130mm, 140mm, 145mm, 150mm, 160mm, 170mm, 180mm, 200mm, 210mm, 225mm, 240mm, 260mm, 280mm, 290mm, 310mm, 30mm, 40mm, 52mm, 72mm, 85mm, 120mm, 190mm, 24mm, 215mm, 360mm, 270mm, 300mm, 220mm, 340mm, 37mm, 175mm, 250mm, 380mm, 400mm, 22mm, 105mm, 165mm, 320mm

Approx. weight

3.59kg, 3.03kg, 2.53kg, 2.09kg, 1.7kg, 1.36kg, 1.07kg, 0.823kg, 0.619kg, 0.451kg, 9.7kg, 4.98kg, 4.9kg, 3.36kg, 3.1kg, 2.96kg, 2.97kg, 1.63kg, 1.5kg, 1.54kg, 1.15kg, 0.867kg, 0.877kg, 0.826kg, 0.82kg, 0.794kg, 0.804kg, 0.591kg, 0.597kg, 0.563kg, 0.56kg, 0.534kg, 0.541kg, 0.376kg, 0.38kg, 0.357kg, 0.355kg, 0.338kg, 0.341kg, 0.208kg, 0.211kg, 0.194kg, 0.197kg, 0.182kg, 0.184kg, 0.13kg, 0.132kg, 0.129kg, 0.109kg, 0.11kg, 0.075kg, 0.049kg, 50g, 0.043kg, 0.036kg, 0.037kg, 0.017kg, 0.016kg, 0.011kg, 0.01kg, 55.3kg, 54.4kg, 47.2kg, 47.5kg, 42.6kg, 42.1kg, 35.6kg, 35.8kg, 30.8kg, 30.7kg, 25.9kg, 26kg, 21.6kg, 21.4kg, 17.6kg, 17.5kg, 12.8kg, 14.4kg, 14.5kg, 9.91kg, 11.2kg, 11.1kg, 8.12kg, 9.43kg, 9.34kg, 7.14kg, 7.43kg, 7.29kg, 5.82kg, 5.98kg, 5.83kg, 4.97kg, 5.17kg, 5.06kg, 4.34kg, 4.42kg, 4.33kg, 3.71kg, 3.13kg, 2.6kg, 2.12kg, 1.74kg, 1.41kg, 1.1kg, 0.848kg, 0.633kg, 0.464kg, 0.336kg, 0.354kg, 0.346kg, 0.229kg, 0.241kg, 0.235kg, 0.149kg, 0.15kg, 0.146kg, 0.113kg, 0.118kg, 0.116kg, 0.084kg, 0.086kg, 0.061kg, 0.062kg, 0.06kg, 0.054kg, 0.053kg, 26.6kg, 26.5kg, 22.5kg, 22.4kg, 18.4kg, 0.756kg, 17.3kg, 14.2kg, 14.1kg, 8.94kg, 8.92kg, 7.1kg, 7.06kg, 5.37kg, 6.26kg, 6.22kg, 5.1kg, 4.48kg, 4.58kg, 4.49kg, 3.69kg, 3.92kg, 3.84kg, 3.65kg, 3.27kg, 3.28kg, 3.22kg, 3.05kg, 2.67kg, 2.74kg, 2.68kg, 2.51kg, 2.19kg, 2.29kg, 2.25kg, 2.04kg, 1.75kg, 1.87kg, 1.83kg, 1.42kg, 1.49kg, 1.46kg, 1.18kg, 1.22kg, 1.19kg, 1.24kg, 1.08kg, 1.14kg, 1.11kg, 1.01kg, 1.05kg, 1.03kg, 0.889kg, 0.791kg, 0.815kg, 0.798kg, 0.688kg, 0.596kg, 0.627kg, 0.613kg, 0.528kg, 0.453kg, 0.477kg, 0.466kg, 0.468kg, 0.4kg, 0.421kg, 0.411kg, 0.418kg, 0.383kg, 0.375kg, 0.32kg, 0.271kg, 0.294kg, 0.287kg, 0.202kg, 0.127kg, 0.133kg, 0.104kg, 0.103kg, 0.106kg, 0.065kg, 0.068kg, 0.067kg, 0.045kg, 0.044kg, 0.046kg, 0.038kg, 0.032kg, 13.7kg, 11.3kg, 10.5kg, 7.9kg, 5.77kg, 4.75kg, 3.9kg, 3.68kg, 2.45kg, 2.26kg, 2.28kg, 1.82kg, 1.84kg, 1.48kg, 1.43kg, 1.34kg, 0.913kg, 0.966kg, 0.88kg, 0.748kg, 0.661kg, 0.698kg, 0.625kg, 0.493kg, 0.455kg, 0.46kg, 0.417kg, 0.43kg, 0.391kg, 0.293kg, 0.263kg, 0.274kg, 0.25kg, 0.213kg, 0.19kg, 0.153kg, 0.115kg, 0.078kg, 0.079kg, 0.04kg, 0.03kg, 0.021kg, 0.019kg, 0.469kg, 0.644kg, 0.86kg, 1.77kg, 2.17kg, 2.62kg