Back-to-Back DB

Model

Angular Contact Ball Bearings > Single/Matched Mountings > Back-to-Back DB

product

ORDER
Bearing No.
ⁿ/ₐ 		SD
Inside Diameter
[mm] 		D
Outside Diameter
[mm] 		B
Width
[mm] 		R
Chamfer Dimension
[mm] 		R1
Chamfer Dimension
[mm] 		CR1
Basic Dynamic Load Ratings
[N] 		COR1
Basic Static Load Ratings
[N] 		CR2
Basic Dynamic Load Ratings
[kgf] 		COR2
Basic Static Load Ratings
[kgf] 		FO
Factors
ⁿ/ₐ 		LG
Limiting Speed Grease
[rpm] 		LO
Limiting Speed Oil
[rpm] 		A
Eff. Load center
[mm] 		DA1
Abutment and Fillet Dimensions min.
[mm] 		DA2
Abutment and Fillet Dimensions max.
[mm] 		RA
Abutment and Fillet Dimensions max.
[mm]
7326BDB 130 280 58 4 1.5 405000 535000 41500 54500 0 1500 2000 230 148 271 3
7928A5DB 140 190 24 1.5 1 122000 180000 12400 18400 0 3200 4500 100.9 149 184 1.5
7928CDB 140 190 24 1.5 1 129000 191000 13200 19400 16.7 3800 5300 68.2 149 184 1.5
7028ADB 140 210 33 2 1 194000 265000 19800 27000 0 2600 3400 134 150 204 2
7228ADB 140 250 42 3 1.1 355000 470000 36000 48000 0 1800 2400 154.6 154 243 2.5
7228BDB 140 250 42 3 1.1 320000 425000 32500 43500 0 1600 2200 205.6 154 243 2.5
7328ADB 140 300 62 4 1.5 490000 670000 50000 68500 0 1600 2000 189 158 291 3
7328BDB 140 300 62 4 1.5 445000 615000 45500 63000 0 1400 1900 246.6 158 291 3
7930A5DB 150 210 28 2 1 157000 231000 16000 23500 0 3000 4000 112 160 204 2
7930CDB 150 210 28 2 1 166000 244000 16900 24900 16.6 3600 4800 76.2 160 204 2
7030ADB 150 225 35 2.1 1.1 222000 305000 22700 31500 0 1900 2400 143.3 162 218 2
7230ADB 150 270 45 3 1.1 405000 560000 41000 57000 0 1600 2200 166.3 164 263 2.5
7230BDB 150 270 45 3 1.1 365000 510000 37000 52000 0 1500 2000 221.2 164 263 2.5
7330ADB 150 320 65 4 1.5 515000 745000 52500 75500 0 1500 1900 200.7 168 311 3
7330BDB 150 320 65 4 1.5 470000 680000 48000 69500 0 1300 1800 262.2 168 311 3
7932CDB 160 220 28 2 1 173000 265000 17600 27000 16.7 3000 4000 78.9 170 214 2
7032ADB 160 240 38 2.1 1.1 252000 355000 25700 36000 0 1700 2400 153.5 172 233 2
7232ADB 160 290 48 3 1.1 425000 615000 43500 62500 0 1500 2000 177.9 174 283 2.5
7232BDB 160 290 48 3 1.1 385000 555000 39500 57000 0 1400 1900 236.8 174 283 2.5
7332ADB 160 340 68 4 1.5 565000 845000 57500 86000 0 1400 1800 212.3 178 331 3

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