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Bearing PreLoad Disc Springs: Slotted Type 
30 different sizes from 9.8mm up to 94.5mm outside diameter
This range of bearing preload disc springs (washers) have a slotted inside profile which gives a different force/deflection profile to plain type preload disc springs.
These preload disc springs are manufactured from Carbon Steel with a zinc phosphate and oiled finish providing a good selection of dimensions to suit most standard roller bearings.

Bearing PreLoad Disc Springs: Plain Type
65 different sizes from 9.8mm up to 358mm outside diameter
With dimensions to suit most standard roller bearings (radial ball bearings), this range of plain bearing preload disc springs are manufactured from Carbon Steel with a zinc phosphate and oiled finish.
The preload disc springs (or washers) assist in maintaining positioning accuracy of the bearing (with no end play) and also minimise vibration and shaft deflections. Correct preloading will also increase bearing rigidity and negate excessive running noise.

Get Specification of Slotted Type :

Ball Bearing
Ref. No.		 Article No. De Di t h0 h h0/t   Force (N)
75% Defl.		 Weight per
1000 pcs.
Ratio
623 N5001 9.8 6.2 0.15 0.45 0.6 3 13 0.05
624 N5002 12.8 7.2 0.2 0.45 0.65 2.25 18 0.13
625 N5003 15.8 8.2 0.25 0.5 0.75 2 20 0.28
634
626 N5004 18.8 9.2 0.25 0.75 1 3 20 0.44
635
607 N5005 18.8 10.2 0.25 0.8 1.05 3.2 24 0.32
608 N5006 21.8 12.3 0.25 1 1.25 4 24 0.42
627
609 N5007 23.7 14.3 0.3 1 1.3 3.33 26 0.66
6000 N5008 25.7 14.3 0.3 1.1 1.4 3.66 29 0.7
629
6001 N5009 27.7 17.3 0.35 1.1 1.45 3.14 32 0.79
6200 N5010 29.7 17.4 0.35 1.2 1.55 3.43 33 1.2
6002 N5011 31.7 20.4 0.35 1.2 1.55 3.43 34 1
6201
6300 N5012 34.6 20.4 0.35 1.3 1.65 3.71 33 1.7
6003 N5013 34.6 22.4 0.35 1.2 1.55 3.43 33 1.5
6202
6301 N5014 36.6 20.4 0.4 1.5 1.9 3.75 36 2.3
6203 N5015 39.6 25.5 0.4 1.5 1.9 3.75 39 1.9
6004 N5016 41.6 25.5 0.45 1.6 2.05 3.55 40 2.5
6302
6005 N5017 46.5 30.5 0.45 1.6 2.05 3.55 45 2.8
6204
6303
6205 N5018 51.5 35.5 0.45 1.65 2.1 3.55 48 3.1
6304
6006 N5019 54.5 40.5 0.45 1.7 2.15 3.78 54 3.2
6007 N5020 61.5 40.5 0.55 2 2.55 3.64 55 6.1
6206
6305
6008 N5021 67.5 50.5 0.5 2.1 2.6 4.2 80 5.5
6306 N5022 71.5 45.5 0.6 2.3 2.9 3.83 75 9.6
6207 N5023 71.5 50.5 0.6 2.3 2.9 3.83 130 8.2
6009 N5024 74.5 55.5 0.6 2.3 2.9 3.83 93 7.6
6307 N5025 79.5 50.5 0.7 2.4 3.1 3.43 85 16.3
6010 N5026 79.5 55.5 0.7 2.2 2.9 3.14 130 14.5
6208
6209 N5027 84.5 60.5 0.75 2.4 3.15 3.2 80 13
6308 N5028 89.5 60.5 0.8 2.5 3.3 3.12 106 18.1
6011 N5029 89.5 65.5 0.8 2.6 3.4 3.25 193 16
6210
6012 N5030 94.5 75.5 0.8 2.65 3.45 3.31 210 13.3

Get Specification of Plain Type

Ball Bearing
Ref. No.		 Article No. De Di t h0 h h0/t   Force (N)
75% Defl.		 Weight per
1000 pcs.
Ratio
623 N4001 9.8 6.2 0.2 0.2 0.4 1 23 0.07
624 N4002 12.8 7.2 0.25 0.25 0.5 1 29 0.16
625 N4003 15.8 8.2 0.25 0.3 0.55 1.2 23 0.26
634
626 N4004 18.8 9.2 0.3 0.35 0.65 1.17 31 0.47
635
607 N4005 18.8 10.2 0.35 0.35 0.7 1 51 0.51
608 N4006 21.8 12.3 0.35 0.4 0.75 1.14 46 0.66
627
609 N4007 23.7 14.3 0.4 0.5 0.9 1.25 81 0.83
6000 N4008 25.7 14.3 0.4 0.5 0.9 1.25 63 1.1
629
6001 N4009 27.7 17.3 0.4 0.6 1 1.5 80 1.1
6200 N4010 29.7 17.4 0.4 0.7 1.1 1.75 83 1.4
6002 N4011 31.7 20.4 0.4 0.7 1.1 1.75 81 1.4
6201
6300 N4012 34.6 20.4 0.4 0.7 1.1 1.75 61 1.8
6003 N4013 34.6 22.4 0.5 0.7 1.2 1.4 118 2
6202
6301 N4014 36.6 20.4 0.5 0.8 1.3 1.6 110 270
6203 N4015 39.6 25.5 0.5 0.8 1.3 1.6 110 2.7
6004 N4016 41.6 25.5 0.5 0.9 1.4 1.8 113 3.1
6302
6005 N4017 46.5 30.5 0.6 0.9 1.5 1.5 153 4.3
6204
6303
6205 N4018 51.5 35.5 0.6 0.9 1.5 1.5 135 4.8
6304
6006 N4019 54.5 40.5 0.6 0.9 1.5 1.5 141 4.6
6007 N4020 61.5 40.5 0.7 1.1 1.8 1.57 176 8.7
6206
6305
6008 N4022 67.5 50.5 0.7 1 1.7 1.43 161 8.1
6306 N4023 71.5 45.5 0.7 1.4 2.1 2 185 12
6207 N4024 71.5 50.5 0.7 1.4 2.1 2 218 10
6009 N4025 74.5 55.5 0.8 1.1 1.9 1.38 211 11
6307 N4026 79.5 50.5 0.8 1.5 2.3 1.88 227 17
6010 N4027 79.5 55.5 0.8 1.5 2.3 1.88 263 15
6208
6209 N4028 84.5 60.5 0.9 1.6 2.5 1.78 359 18
6308 N4029 89.5 60.5 0.9 1.6 2.5 1.78 288 23
6011 N4030 89.5 65.5 0.9 1.6 2.5 1.78 335 19
6210
6012 N4031 94.5 75.5 1 1.2 2.2 1.2 325 19
6309 N4032 99 65.5 1 1.6 2.6 1.6 292 32
6013 N4033 99 70.5 1 1.6 2.6 1.6 332 28
6211
6310 N4034 109 70.5 1.25 1.45 2.7 1.16 357 50
6014 N4035 109 75.5 1.25 1.45 2.7 1.16 398 45
6212
6015 N4036 114 90.5 1.25 1.2 2.45 0.96 398 35
6311 N4037 119 75.5 1.25 1.55 2.8 1.24 320 61
6213 N4038 119 85.5 1.25 1.55 2.8 1.24 392 50
6016 N4039 124 90.5 1.25 1.75 3 1.4 445 52
6214
6312 N4040 129 85.5 1.25 1.95 3.2 1.56 405 68
6017 N4041 129 95.5 1.25 1.95 3.2 1.56 500 54
6215
6313 N4042 139 90.5 1.25 2 3.25 1.6 353 81
6018 N4043 139 101 1.25 2 3.25 1.6 429 66
6216
6134 N4044 149 95.5 1.5 1.7 3.2 1.13 379 114
6020 N4045 149 106 1.5 1.7 3.2 1.13 450 95
6217
6315 N4046 159 101 1.5 2 3.5 1.33 412 131
6021 N4047 159 111 1.5 2 3.5 1.33 477 113
6218
6316 N4048 169 111 1.5 2.3 3.8 1.53 470 141
6022 N4049 169 121 1.5 2.3 3.8 1.53 546 121
6219
6317 N4050 179 121 2 2.2 4.2 1.1 864 202
6024 N4051 179 126 2 2.2 4.2 1.1 928 187
6220
6318 N4052 189 121 2 2.3 4.3 1.15 758 244
6221 N4053 189 131 2 2.3 4.3 1.15 858 215
6319 N4054 198 131 2 2.5 4.5 1.25 811 256
6026 N4055 198 141 2 2.5 4.5 1.25 922 224
6222
6224 N4056 213 151 2.25 2.25 4.5 1 941 294
6320
6030 N4057 223 161 2.25 2.35 4.6 1.04 942 310
6321
6226 N4058 228 161 2.25 2.7 4.95 1.2 1036 340
6032 N4059 238 161 2.25 3 5.25 1.33 1020 401
6322
6228 N4060 248 171 2.5 2.5 5 1 1004 467
6034 N4061 258 171 2.5 3 5.5 1.2 1106 541
6324
6230 N4062 268 181 2.5 3.2 5.7 1.28 1154 566
6036 N4063 278 181 2.5 3.5 6 1.4 1154 645
6326
6038 N4064 288 191 2.75 3 5.75 1.09 1145 741
6232
6328 N4065 298 191 2.75 3.6 6.35 1.31 1306 834
6040 N4066 308 202 3 3.1 6.1 1.03 1299 940
6234
6236 N4067 318 212 3 3.2 6.2 1.07 1301 977
6330
6044 N4068 338 232 3 3.6 6.6 1.2 1414 1050
6238
6332
6048 N4169 358 242 3 4 7 1.33 1424 1210
6240
6334