Product> 30300 series
30300 series

Basic
Bearing
No.

Nominal Bearing Dimensions

Preferred Shoulder Diameters

d

D

T

B

C

r1
(Min Inner Ring)

r2
(Min Out Ring)

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

30302

15 0.5906 42 1.6535 14.25 0.5610 13 0.5118 11 0.4331 1.0 0.039 1.0 0.039

30303

17 0.6693 47 1.8504 15.25 0.6004 14 0.5512 12 0.4724 1.0 0.039 1.0 0.039

30304

20 0.7874 52 2.0472 16.25 0.6398 15 0.5906 13 0.5118 1.5 0.059 1.5 0.059

30305

25 0.9843 62 2.4409 18.25 0.7185 17 0.6693 15 0.5906 1.5 0.059 1.5 0.059

30306

30 1.1811 72 2.8346 20.75 0.8169 19 0.7480 16 0.6299 1.5 0.059 1.5 0.059

30307

35 1.3780 80 3.1496 22.75 0.8957 21 0.8268 18 0.7087 2.0 0.079 1.5 0.059

30308

40 1.5748 90 3.5433 25.25 0.9941 23 0.9055 20 0.7874 2.0 0.079 1.5 0.059

30309

45 1.7717 100 3.9370 27.25 1.0728 25 0.9843 22 0.8661 2.0 0.079 1.5 0.059

30310

50 1.9685 110 4.3307 29.25 1.1516 27 1.0630 23 0.9055 2.5 0.098 2.0 0.079

30311

55 2.1654 120 4.7244 31.50 1.2402 29 1.1417 25 0.9843 2.5 0.098 2.0 0.079

30312

60 2.3622 130 5.1181 33.50 1.3189 31 1.2205 26 1.0236 3.0 0.118 2.5 0.098

30313

65 2.5591 140 5.5118 36.00 1.4173 33 1.2992 28 1.1024 3.0 0.118 2.5 0.098

30314

70 2.7559 150 5.9055 38.00 1.4961 35 1.3780 30 1.1811 3.0 0.118 2.5 0.098

30315

75 2.9528 160 6.2992 40.00 1.5748 37 1.4567 30 1.1811 3.0 0.118 2.5 0.098

30316

80 3.1496 170 6.6929 42.50 1.6732 39 1.5354 33 1.2992 3.0 0.118 2.5 0.098

30317

85 3.3465 180 7.0866 44.50 1.7520 41 1.6142 34 1.3386 4.0 0.157 3.0 0.118

30318

90 3.5433 190 7.4803 46.50 1.8307 43 1.6929 36 1.4173 4.0 0.157 3.0 0.118

30319

95 3.7402 200 7.8740 49.50 1.9488 45 1.7717 38 1.4961 4.0 0.157 3.0 0.118

30320

100 3.9370 215 8.4646 51.50 2.0276 47 1.8504 39 1.5354 4.0 0.157 3.0 0.118

30321

105 4.1339 225 8.8583 53.50 2.1063 49 1.9291 41 1.6142 4.0 0.157 3.0 0.118

30322

110 4.3307 240 9.4488 54.50 2.1457 50 1.9685 42 1.6535 4.0 0.157 3.0 0.118

30324

120 4.7244 260 10.2362 59.50 2.3425 55 2.1654 46 1.8110 4.0 0.157 3.0 0.118

☆We reserve the right to change specifications and other information included in this catalogue without notice.

Basic
Bearing
No.

Preferred Shoulder
Diameters

Basic Load
Ratings

Effective
Load
Center
Limiting
Speeds
Bearing Weight
(Approx.)

da (min)

db (max)

Da (max)

Cr

Cor

a

Grease

Oil

Weight

mm

inch

mm

inch

mm

inch

KN

KN

mm

rpm

rpm

Ibs

kg

30302

20.5 0.807 22.0 0.866 36.5 1.437 23.2 21.6 9.6 9900 13000 0.207 0.094

30303

22.5 0.886 24.0 0.945 41.5 1.634 28.9 27.2 10.4 9000 12000 0.284 0.129

30304

31.0 1.220 27.0 1.063 44.0 1.732 35.5 34.0 11.1 8000 11000 0.363 0.165

30305

33.5 1.319 34.0 1.339 54.0 2.126 48.5 48.1 13.0 6700 8900 0.579 0.263

30306

38.5 1.516 40.0 1.575 63.5 2.500 60.0 63.1 15.3 5700 7600 0.851 0.387

30307

45.0 1.772 45.0 1.772 71.5 2.815 75.3 82.6 16.8 5000 6700 1.133 0.515

30308

50.0 1.969 52.0 2.047 81.5 3.209 91.5 107.6 19.5 4400 5900 1.643 0.747

30309

55.0 2.165 59.0 2.323 91.5 3.602 111.0 129.8 21.3 4000 5300 2.165 0.984

30310

62.0 2.441 65.0 2.559 100.0 3.937 133.0 152.0 23.0 3600 4800 2.882 1.310

30311

67.0 2.638 71.0 2.795 110.0 4.331 155.0 179.0 24.5 3300 4400 3.652 1.660

30312

74.0 2.913 77.0 3.031 118.0 4.646 183.0 214.0 26.5 3000 4000 4.532 2.060

30313

79.0 3.110 83.0 3.268 128.0 5.039 203.0 238.0 28.5 2800 3700 5.610 2.550

30314

84.0 3.307 89.0 3.504 138.0 5.433 230.0 272.0 30.0 2600 3500 6.732 3.060

30315

89.0 3.504 95.0 3.740 148.0 5.827 255.0 305.0 32.0 2400 3200 7.854 3.570

30316

94.0 3.701 102.0 4.016 158.0 6.220 297.0 350.0 34.0 2300 3000 9.702 4.410

30317

103.0 4.055 107.0 4.213 166.0 6.535 305.0 365.0 35.5 2100 2900 11.440 5.200

30318

108.0 4.252 113.0 4.449 176.0 6.929 270.0 320.0 37.5 1940 2640 13.266 6.030

30319

113.0 4.449 118.0 4.646 186.0 7.323 296.0 355.0 40.0 1900 2530 15.356 6.980

30320

118.0 4.646 127.0 5.000 201.0 7.913 365.0 445.0 41.5 1800 2400 18.832 8.560

30321

126.0 4.961 133.0 5.236 211.0 8.307 455.0 565.0 43.2 1700 2300 20.988 9.520

30322

131.0 5.157 143.0 5.630 226.0 8.898 485.0 595.0 45.1 1600 2200 24.251 11.000

30324

141.0 5.551 154.0 6.063 246.0 9.685 535.0 655.0 50.0 1500 2000 30.644 13.900

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