KOYOÂ Deep groove ball bearings
| Boundary dimensions
(mm) |
r1Â Â Â Â min. |
Basic load ratings (kN)
Single row         Matched pair Cr                   C0r                   Cr                   C0r |
Fatigue load limit (kN) Cu
(Single row)   (Matched pair) |
Single row |
Bearing No.
Back-to-back             Face-to-face DB                                                                        DF |
De-
sign |
Load center
(mm) a         a1             a2 |
Mounting dimensions
(mm) da             db            Da           Db           ra min.     min.     max.     max.    max. |
rb     max. |
(Refer.)
Mass Single row (kg) |
||||||||||||||
| d        D        B         C | r
min. |
|||||||||||||||||||||||
| 100 Â Â Â 150
150 180 180 215 215 |
24
24 34 34 47 47 |
—
— —
— — — |
1.5
1.5 2.1 2.1 3 3 |
1
1 1.1 1.1 1.1 1.1 |
85.5Â 76.5
171 155 229 210 |
70.6Â 63.6
117 107 161 148 |
139
124 279 252 373 342 |
141
127 235 214 323 297 |
3.35
2.95 6.10 5.25 6.60 6.10 |
6.75
5.90 12.2 10.5 13.2 12.2 |
7020
7020B 7220 7220B 7320 7320B |
7020DB
7020BDB 7220DB 7220BDB 7320DB 7320BDB |
7020DF
7020BDF 7220DF 7220BDF 7320DF 7320BDF |
1
1 1 1 1 1 |
48.1Â 64.4Â 57.7
76.2Â 69.4Â 90.2 |
96.2Â 128.9Â 115.4
152.3Â 138.8Â 180.4 |
48.2Â 80.9Â 47.4
84.3Â 44.8Â 86.4 |
108.5Â 108.5Â 112
112 114 114 |
—
— |
141.5Â 141.5Â 168
168 201 201 |
144.5Â 144.5Â 173
173 208 208 |
1.5Â 1.5Â 2
2 2.5Â 2.5 |
1
1 1 1 1 1 |
1.37Â 1.37Â 3.32
3.32Â 7.53Â 7.53 |
| 105 Â Â Â 160
190 190 225 225 |
26
36 36 49 49 |
—
— —
— — |
2
2.1 2.1 3 3 |
1
1.1 1.1 1.1 1.1 |
99.7Â 187
169 260 238 |
81.9Â 132
121 193 177 |
162
303 275 422 387 |
164
265 241 386 355 |
3.80
6.70 5.80 7.75 7.15 |
7.60
13.4 11.6 15.5 14.3 |
7021
7221 7221B 7321 7321B |
7021DB
7221DB 7221BDB 7321DB 7321BDB |
7021DF
7221DF 7221BDF 7321DF 7321BDF |
1
1 1 1 1 |
51.8Â 61.0Â 80.5
72.1Â 93.7 |
103.7Â 122.1Â 161.0
144.3Â 187.5 |
51.7Â 50.1Â 89.0
46.3Â 89.5 |
115
117 117 119 119 |
— | 150
178 178 211 211 |
154.5Â 183
183 218 218 |
2
2 2 2.5Â 2.5 |
1
1 1 1 1 |
1.73Â 3.95Â 3.95
8.62Â 8.62 |
| 110 Â Â Â 170
170 200 200 240 240 |
28
28 38 38 50 50 |
—
— —
— — — |
2
2 2.1 2.1 3 3 |
1
1 1.1 1.1 1.1 1.1 |
115
103 202 183 290 266 |
92.8Â 83.7
148 135 226 208 |
187
167 329 298 472 433 |
186
167 297 270 452 416 |
4.30
3.75 7.30 6.35 8.75 8.05 |
8.55
7.45 14.6 12.7 17.5 16.1 |
7022
7022B 7222 7222B 7322 7322B |
7022DB
7022BDB 7222DB 7222BDB 7322DB 7322BDB |
7022DF
7022BDF 7222DF 7222BDF 7322DF 7322BDF |
1
1 1 1 1 1 |
54.4Â 72.7Â 64.3
84.9Â 76.4Â 99.6 |
108.9Â 145.5Â 128.7
169.7Â 152.7Â 199.3 |
52.9Â 89.5Â 52.7
93.7Â 52.7Â 99.3 |
120
120 122 122 124 124 |
160
160 188 188 226 226 |
164.5Â 164.5Â 193
193 233 233 |
2
2 2 2 2.5Â 2.5 |
1
1 1 1 1 1 |
2.14Â 2.14Â 4.65
4.65Â 10.1Â Â Â 10.1 |
|
| 120 Â Â Â 180
180 215 215 260 260 |
28
28 40 40 55 55 |
—
— — — |
2
2 2.1 2.1 3 3 |
1
1 1.1 1.1 1.1 1.1 |
121
108 218 197 308 282 |
103
93.0 166 151 252 231 |
196
176 354 321 500 457 |
206
186 332 302 504 462 |
4.50
3.95 7.85 6.80 9.45 8.65 |
9.00
7.85 15.7 13.6 18.9 17.3 |
7024
7024B 7224 7224B 7324 7324B |
7024DB
7024BDB 7224DB 7224BDB 7324DB 7324BDB |
7024DF
7024BDF 7224DF 7224BDF 7324DF 7324BDF |
1
1 1 1 1 1 |
57.3Â 76.9Â 68.5
90.3Â 82.3Â 107.2 |
114.6Â 153.9Â 137.0
180.5Â 164.7Â 214.4 |
58.6Â 97.9Â 57.0
100.5Â 54.7Â 104.4 |
130
130 132 132 134 134 |
170
170 203 203 246 246 |
174.5Â 174.5Â 208
208 253 253 |
2
2 2 2 2.5Â 2.5 |
1
1 1 1 1 1 |
2.27Â 2.27Â 5.49
5.49Â 12.6Â Â Â 12.6 |
|
| 130Â Â Â Â Â 200
200 230 230 280 |
33
33 40 40 58 |
—
— — |
2
2 3 3 4 |
1
1 1.1 1.1 1.5 |
147
131 245 222 376 |
125
113 198 180 329 |
238
213 398 360 611 |
251
226 395 360 659 |
5.25
4.60 7.60 6.95 11.8 |
10.5
9.20 15.2 13.9 23.7 |
7026
7026B 7226 7226B 7326 |
7026DB
7026BDB 7226DB 7226BDB 7326DB |
7026DF
7026BDF 7226DF 7226BDF 7326DF |
1
1 1 1 1 |
64.1Â 85.7Â 72.0
95.5Â 88.8 |
128.3Â 171.5Â 143.9
191.0Â 177.5 |
62.3Â 105.5Â 63.9
111.0Â 61.5 |
140
140 144 144 148 |
190
190 216 216 262 |
194.5Â 194.5Â 223
223 271.5 |
2
2 2.5 2.5Â 3 |
1
1 1 1 1.5 |
3.43Â 3.43Â 6.21
6.21Â 15.4 |
|
ADYR Bearing Co.,Limited. has been engaged in bearing industry for many years, we provide a wide selections of brands including FAG bearing, FAG bearing, FAG bearing, NTN bearings, SKF bearings, deep groove ball bearings, cylindrical roller bearings, tapered roller bearings, self-aligning ball bearings,thrust ball bearings, rolling mill
bearings, spherical roller thrust bearings, spherical bearings, adapter sleeves, withdrawal sleeves, lock nut, lock washer,locking device, etc. We can provide bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings, spherical plain bearings, high temperature, super-precision bearings, as well as some rare types customized to your need.Middle East and Southeast Asia.Our goal is to exceed our customers’ expectation in providing quality products and continue to improve the services we
provide on a timely manner.Please view the products at our website that we can supply. You can also contact our sales representative to request a
price quotation on the products that you are looking for that may not been shown on our website.
