Standard Size (128 Models)

SKU: NBK-G-STD Category: Tag:

The NBK deep groove ball bearings excel in low friction, ensuring quiet, high-speed rotation while accommodating various loads.

View Quote Request

Spec Chart (Metric)

Boundary dimensions (mm)
Bearing ModelsBasic load ratings(N)Limiting speeds (rpm)Weight (g)
Inner.D.Outer.D.Width*ChamferDynamicStaticGreaseOil
dDBB1r (min)/CrCor(Non-contact)(Non-contact)(reference)
38340.1555317552000610000.79
9350.1564522948000570001.40
10440.1564522948000560001.57
48230.0839614150000590000.56
92.540.153918747000550001.06
10340.1549819844000530001.40
11440.1595534443000500001.62
12440.297035841000490002.20
13550.2115040140000470002.98
16550.3143055735000420005.11
5822.50.082109047000550000.38
92.530.1543116944000530000.66
10340.1549819844000530001.21
11350.1577531741000490001.90
13440.2107042238000450002.41
14550.2108043837000440003.63
16550.3147059935000420004.86
19660.3223090332000380008.81
6102.530.146319741000490000.75
12340.1577532738000450001.73
133.550.15108043837000440002.48
15550.2147059935000420003.74
16660.2147059934000400005.20
17660.3196073233000400005.67
19660.3223090332000380008.45
22770.333101370300003500012.59
7112.530.145520238000450000.70
13340.1577133836000430001.93
143.550.15117051135000420002.89
17550.3160071433000390005.04
19660.3223090332000380007.67
22770.333101370300003500012.24
26990.333301411280003100025.21
8122.53.50.144920636000430001.07
143.540.1576035034000410002.13
16450.2160071433000390003.70
19660.3224091731000370006.23
22770.333101370300003500011.76
24880.333301410290003400017.54
28990.345501950270003200029.00
917450.2160073531000370004.07
20660.32480108030000360008.00
24770.333301410290003400014.21
26880.345501950280003300019.48
1015340.157230534000400002.06
19550.3159076030000360005.12
19770.3159076030000360007.09
20660.3159076028000340007.52
22660.32690127028000340009.45
26880.345501950270003200019.00
2612120.345501950270003200026.46
30990.651102390230002800030.64
3511110.676403470210002500053.81
1218440.293552830000360003.00
21550.31910104027000330005.65
21770.31910104027000330008.18
24660.328901450250003000010.49
28770.351102390240002800019①
28880.351102390240002800021.23
2812120.351102390200002600028.80
3210100.668003050200002400035.16
3712121.097504230180002200059.73①
1521440.282749327000320003.20
24550.32060126024000290007.16
24770.32060126024000290009.82
28770.343202260220002600015.26
32880.355902850200002400026.18
32990.355902850200002400028.46
3511110.676003360170002100043.79
4213131.0114205420150001900081.02
1723440.2100067524000290004.00
26550.32130136022000260007.85
26770.32130136022000260009.80
30770.343102310200002400016.80
35880.360003260180002200032.00
3510100.360003260180002200037.86
4012120.695804800160001900064.08
4714141.01356065601400017000111.19
2027440.2100072221000260004.80
32770.334702240190002300018.20
37990.363903590170002100036.67
42880.383704520160001900047.63①
4212120.693805080160001900067.34
4714141.01283066501400016000102.66
5215151.11600079301200015000141.75
224412120.6104705730150001800070.00
5014141.01283066501200015000115.00
5616161.11402079301100013000174.00
2537770.336602640160001900021.46
42990.366504190140001700042.00
47880.369404600130001600055①
4712120.6100705800130001600078.37
5215151.01402079301100013000127.88
6217171.122460115701000012000223.89
285212120.6112106690120001400095.36
5816161.01665096001000012000169.13
6818181.12489013750900011000282.00
3042770.340203120130001600026.00
47990.372005050120001500049.83
55990.3132408250110001300082.79
5513131.01324082501100013000111.78
6216161.01947011430900011000194.58
7219191.12701015200800010000345.72
325813131.01184876111000013000127.00
6517171.02240013100900010000224.00
7520201.12300012000850010000380.00
3547770.343103610110001400027.00
5510100.6103707180100001300071.65
62990.31077078801000012000108①
6214141.015950103201000012000150.00
7217171.12570015220880010000283.15
8021211.533360192207800900045.97
4052770.344203890100001200031.46
6212120.6112708450900011000113.97
68990.3115809120900011000123①
6815151.01682011490900011000183.50
8018181.1295201814077009000367.82
9023231.5407502401068008200576.00
4558770.34590432090001000039.75
6812120.6115809120880011000126.00
7510100.61560012200820010000171①
7516161.01997013900820010000231.82
8519191.1316602073068008200395.00
5065770.36600608086001000050.00
7212120.6118306880790010000130.00
8010100.6161001310074008800178①
8016161.0206701546074008800259.00
9020201.1350602322061007300452.00

* B/B1 means Open/Sealed Width

* ① means weight of Open Bearings

Spec Chart (Imperial)

Boundary dimensions (in)
Bearing ModelsBasic load ratings(N)Limiting speeds (rpm)Weight (oz)
Inner.D.Outer.D.Width*ChamferDynamicStaticGreaseOil
dDBB1r (min)/CrCor(Non-contact)(Non-contact)(reference)
.1181.3150.1181.1575.005955317552000610000.028
.3543.1181.1969.005964522948000570000.049
.3937.1575.1575.005964522948000560000.055
.1575.3150.0787.1181.003139614150000590000.020
.3543.0984.1575.003953918747000550000.037
.3937.1181.1575.005949819844000530000.049
.4331.1575.1575.005995534443000500000.057
.4724.1575.1575.007997035841000490000.078
.5118.1969.1969.0079115040140000470000.105
.6299.1969.1969.0118143055735000420000.180
.1969.3150.0787.0984.00312109047000550000.013
.3543.0984.1181.005943116944000530000.023
.3937.1181.1575.005949819844000530000.043
.4331.1181.1969.005977531741000490000.067
.5118.1575.1575.0079107042238000450000.085
.5512.1969.1969.0079108043837000440000.128
.6299.1969.1969.0118147059935000420000.171
.7480.2362.2362.0118223090332000380000.311
.2362.3937.0984.1181.003946319741000490000.026
.4724.1181.1575.005977532738000450000.061
.5118.1378.1969.0059108043837000440000.087
.5906.1969.1969.0079147059935000420000.132
.6299.2362.2362.0079147059934000400000.183
.6693.2362.2362.0118196073233000400000.200
.7480.2362.2362.0118223090332000380000.298
.8661.2756.2756.01183310137030000350000.444
.2756.4331.0984.1181.003945520238000450000.025
.5118.1181.1575.005977133836000430000.068
.5512.1378.1969.0059117051135000420000.102
.6693.1969.1969.0118160071433000390000.178
.7480.2362.2362.0118223090332000380000.271
.8661.2756.2756.01183310137030000350000.432
1.0236.3543.3543.01183330141128000310000.889
.3150.4724.0984.1378.003944920636000430000.038
.5512.1378.1575.005976035034000410000.075
.6299.1575.1969.0079160071433000390000.131
.7480.2362.2362.0118224091731000370000.220
.8661.2756.2756.01183310137030000350000.415
.9449.3150.3150.01183330141029000340000.619
1.1024.3543.3543.01184550195027000320001.023
.3543.6693.1575.1969.0079160073531000370000.144
.7874.2362.2362.01182480108030000360000.282
.9449.2756.2756.01183330141029000340000.501
1.0236.3150.3150.01184550195028000330000.687
.3937.5906.1181.1575.003957230534000400000.073
.7480.1969.1969.0118159076030000360000.181
.7480.2756.2756.0118159076030000360000.250
.7874.2362.2362.0118159076028000340000.265
.8661.2362.2362.01182690127028000340000.333
1.0236.3150.3150.01184550195027000320000.670
1.0236.4724.4724.01184550195027000320000.933
1.1811.3543.3543.02365110239023000280001.081
1.3780.4331.4331.02367640347021000250001.898
.4724.7087.1575.1575.007993552830000360000.106
.8268.1969.1969.01181910104027000330000.199
.8268.2756.2756.01181910104027000330000.289
.9449.2362.2362.01182890145025000300000.370
1.1024.2756.2756.01185110239024000280000.670①
1.1024.3150.3150.01185110239024000280000.749
1.1024.4724.4724.01185110239020000260001.016
1.2598.3937.3937.02366800305020000240001.240
1.4567.4724.4724.03949750423018000220002.107①
.5906.8268.1575.1575.007982749327000320000.113
.9449.1969.1969.01182060126024000290000.253
.9449.2756.2756.01182060126024000290000.346
1.1024.2756.2756.01184320226022000260000.538
1.2598.3150.3150.01185590285020000240000.923
1.2598.3543.3543.01185590285020000240001.004
1.3780.4331.4331.02367600336017000210001.545
1.6535.5118.5118.039411420542015000190002.858
.6693.9055.1575.1575.0079100067524000290000.141
1.0236.1969.1969.01182130136022000260000.277
1.0236.2756.2756.01182130136022000260000.346
1.1811.2756.2756.01184310231020000240000.593
1.3780.3150.3150.01186000326018000220001.129
1.3780.3937.3937.01186000326018000220001.335
1.5748.4724.4724.02369580480016000190002.260
1.8504.5512.5512.039413560656014000170003.922
.78741.0630.1575.1575.0079100072221000260000.169
1.2598.2756.2756.01183470224019000230000.642
1.4567.3543.3543.01186390359017000210001.293
1.6535.3150.3150.01188370452016000190001.680①
1.6535.4724.4724.02369380508016000190002.375
1.8504.5512.5512.039412830665014000160003.621
2.0472.5906.5906.043316000793012000150005.000
.86611.7323.4724.4724.023610470573015000180002.469
1.9685.5512.5512.039412830665012000150004.057
2.2047.6299.6299.043314020793011000130006.138
.98431.4567.2756.2756.01183660264016000190000.757
1.6535.3543.3543.01186650419014000170001.482
1.8504.3150.3150.01186940460013000160001.940①
1.8504.4724.4724.023610070580013000160002.764
2.0472.5906.5906.039414020793011000130004.511
2.4409.6693.6693.0433224601157010000120007.897
1.10242.0472.4724.4724.023611210669012000140003.364
2.2835.6299.6299.039416650960010000120005.966
2.6772.7087.7087.043324890137509000110009.947
1.18111.6535.2756.2756.01184020312013000160000.917
1.8504.3543.3543.01187200505012000150001.758
2.1654.3543.3543.011813240825011000130002.920
2.1654.5118.5118.039413240825011000130003.943
2.4409.6299.6299.039419470114309000110006.864
2.8346.7480.7480.0433270101520080001000012.195
1.25982.2835.5118.5118.039411848761110000130004.480
2.5591.6693.6693.039422400131009000100007.901
2.9528.7874.7874.0433230001200085001000013.404
1.37801.8504.2756.2756.01184310361011000140000.952
2.1654.3937.3937.023610370718010000130002.527
2.4409.3543.3543.011810770788010000120003.810①
2.4409.5512.5512.0394159501032010000120005.291
2.8346.6693.6693.043325700152208800100009.988
3.1496.8268.8268.05913336019220780090001.622
1.57482.0472.2756.2756.01184420389010000120001.110
2.4409.4724.4724.02361127084509000110004.020
2.6772.3543.3543.01181158091209000110004.339①
2.6772.5906.5906.039416820114909000110006.473
3.1496.7087.7087.043329520181407700900012.974
3.5433.9055.9055.059140750240106800820020.318
1.77172.2835.2756.2756.0118459043209000100001.402
2.6772.4724.4724.02361158091208800110004.445
2.9528.3937.3937.023615600122008200100006.032①
2.9528.6299.6299.039419970139008200100008.177
3.3465.7480.7480.043331660207306800820013.933
1.96852.5591.2756.2756.0118660060808600100001.764
2.8346.4724.4724.02361183068807900100004.586
3.1496.3937.3937.02361610013100740088006.279①
3.1496.6299.6299.03942067015460740088009.136
3.5433.7874.7874.043335060232206100730015.944

* B/B1 means Open/Sealed Width

* ① means weight of Open Bearings

Product Description

Deep groove ball bearings, known for their versatility, are the most prevalent bearing type. They excel in low friction, ensuring minimal noise and vibration, enabling high rotational speeds. Capable of handling radial and axial loads in both directions, they are easy to install and demand less maintenance compared to other bearing types.

The NBK bearing catalog features an extensive selection of designs, variants, and sizes of deep groove ball bearings. In addition to our catalog range, NBK deep groove ball bearings can be customized to provide advantages for applications with distinct performance requirements.

Scroll to Top