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]
7317ADB 85 180 41 3 1.1 258000 265000 26300 27000 0 2600 3600 117.5 99 173 2.5
7317BDB 85 180 41 3 1.1 236000 244000 24100 24800 0 2400 3200 152.2 99 173 2.5
7918A5DB 90 125 18 1.1 0.6 64000 87000 6500 8900 0 5000 7100 68.1 97 120 1
7918CDB 90 125 18 1.1 0.6 67500 92000 6900 9400 16.6 6000 8500 46.8 97 120 1
7018ADB 90 140 24 1.5 1 109000 133000 11200 13500 0 3800 5300 90.4 99 134 1.5
7018CDB 90 140 24 1.5 1 116000 138000 11900 14100 15.7 5600 8000 54.8 99 134 1.5
7218ADB 90 160 30 2 1 191000 206000 19500 21000 0 3600 5000 102.2 100 154 2
7218BDB 90 160 30 2 1 173000 188000 17700 19100 0 2600 3400 134.9 100 154 2
7218CDB 90 160 30 2 1 199000 209000 20300 21400 14.6 5300 7100 63.5 100 154 2
7318ADB 90 190 43 3 1.1 277000 294000 28300 30000 0 2600 3400 123.8 104 183 2.5
7318BDB 90 190 43 3 1.1 254000 270000 25900 27600 0 2200 3000 160.5 104 183 2.5
7919A5DB 95 130 18 1.1 0.6 64500 91000 6600 9250 0 4800 6700 70.5 102 125 1
7919CDB 95 130 18 1.1 0.6 68500 96000 7000 9800 16.7 5600 8000 48.1 102 125 1
7019ADB 95 145 24 1.5 1 109000 134000 11100 13600 0 3800 5000 93.3 104 139 1.5
7019CDB 95 145 24 1.5 1 119000 146000 12200 14900 15.9 5300 7500 56.1 104 139 1.5
7219ADB 95 170 32 2.1 1.1 208000 221000 21200 22600 0 3400 4500 108.5 107 163 2
7219BDB 95 170 32 2.1 1.1 188000 202000 19200 20500 0 2400 3200 143.2 107 163 2
7219CDB 95 170 32 2.1 1.1 216000 224000 22000 22800 14.6 4800 6700 67.5 107 163 2
7319ADB 95 200 45 3 1.1 297000 325000 30500 33000 0 2400 3200 130.2 109 193 2.5
7319BDB 95 200 45 3 1.1 272000 298000 27700 30500 0 2200 3000 168.7 109 193 2.5

Questions?

We are here to help.

✉

admin@jfubearing.com

Get expert sales advice within 12 hours.

💬

+86-15961837791

Chat with us now for a quick response.

Contact us now to get a free quote or estimate.