KOYO BEAIRNG
| Boundary dimensions
(mm) |
r1 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. |
|||||||||||||||||||||||
| 100 150
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 |
85.5 76.5
171 155 229 210 |
70.6 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 |
48.1 64.4 57.7
76.2 69.4 90.2 |
96.2 128.9 115.4
152.3 138.8 180.4 |
48.2 80.9 47.4
84.3 44.8 86.4 |
108.5 108.5 112
112 114 114 |
—
— |
141.5 141.5 168
168 201 201 |
144.5 144.5 173
173 208 208 |
1.5 1.5 2
2 2.5 2.5 |
1
1 1 1 1 1 |
1.37 1.37 3.32
3.32 7.53 7.53 |
| 105 160
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 |
99.7 187
169 260 238 |
81.9 132
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 |
51.8 61.0 80.5
72.1 93.7 |
103.7 122.1 161.0
144.3 187.5 |
51.7 50.1 89.0
46.3 89.5 |
115
117 117 119 119 |
— | 150
178 178 211 211 |
154.5 183
183 218 218 |
2
2 2 2.5 2.5 |
1
1 1 1 1 |
1.73 3.95 3.95
8.62 8.62 |
| 110 170
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 |
92.8 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 |
54.4 72.7 64.3
84.9 76.4 99.6 |
108.9 145.5 128.7
169.7 152.7 199.3 |
52.9 89.5 52.7
93.7 52.7 99.3 |
120
120 122 122 124 124 |
160
160 188 188 226 226 |
164.5 164.5 193
193 233 233 |
2
2 2 2 2.5 2.5 |
1
1 1 1 1 1 |
2.14 2.14 4.65
4.65 10.1 10.1 |
|
| 120 180
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 |
57.3 76.9 68.5
90.3 82.3 107.2 |
114.6 153.9 137.0
180.5 164.7 214.4 |
58.6 97.9 57.0
100.5 54.7 104.4 |
130
130 132 132 134 134 |
170
170 203 203 246 246 |
174.5 174.5 208
208 253 253 |
2
2 2 2 2.5 2.5 |
1
1 1 1 1 1 |
2.27 2.27 5.49
5.49 12.6 12.6 |
|
| 130 200
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 |
64.1 85.7 72.0
95.5 88.8 |
128.3 171.5 143.9
191.0 177.5 |
62.3 105.5 63.9
111.0 61.5 |
140
140 144 144 148 |
190
190 216 216 262 |
194.5 194.5 223
223 271.5 |
2
2 2.5 2.5 3 |
1
1 1 1 1.5 |
3.43 3.43 6.21
6.21 15.4 |
|
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