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]
7002ADB 15 32 9 0.3 0.15 9950 6850 1010 700 0 19000 26000 22.6 17.5 30.8 0.3
7002CDB 15 32 9 0.3 0.15 10100 6750 1030 690 14.1 28000 38000 15.3 17.5 30.8 0.3
7202ADB 15 35 11 0.6 0.3 14000 9300 1430 950 0 18000 24000 25.4 20 32.5 0.6
7202BDB 15 35 11 0.6 0.3 12900 8600 1310 875 0 13000 18000 32 20 32.5 0.6
7202CDB 15 35 11 0.6 0.3 14100 9050 1440 925 13.2 26000 36000 17.7 20 32.5 0.6
7302ADB 15 42 13 1 0.6 21800 14200 2220 1440 0 13000 17000 29.5 21 37 1
7302BDB 15 42 13 1 0.6 20200 13200 2060 1340 0 11000 15000 36.9 21 37 1
7903A5DB 17 30 7 0.3 0.15 7750 5600 790 570 0 24000 32000 18 19.5 28.8 0.3
7903CDB 17 30 7 0.3 0.15 8150 5850 830 600 14.8 28000 38000 13.3 19.5 28.8 0.3
7003ADB 17 35 10 0.3 0.15 10400 7650 1060 780 0 17000 24000 25 19.5 33.8 0.3
7003CDB 17 35 10 0.3 0.15 10700 7600 1100 775 14.5 26000 34000 17 19.5 33.8 0.3
7203ADB 17 40 12 0.6 0.3 17600 12000 1790 1220 0 16000 22000 28.5 22 37.5 0.6
7203BDB 17 40 12 0.6 0.3 16100 11000 1650 1130 0 11000 15000 35.9 22 37.5 0.6
7203CDB 17 40 12 0.6 0.3 17600 11700 1800 1190 13.3 22000 32000 19.6 22 37.5 0.6
7303ADB 17 47 14 1 0.6 25900 17300 2640 1760 0 11000 15000 32.5 23 42 1
7303BDB 17 47 14 1 0.6 24000 16000 2450 1640 0 10000 14000 40.9 23 42 1
7904A5DB 20 37 9 0.3 0.15 10700 8100 1090 825 0 19000 26000 22.3 22.5 35.8 0.3
7904CDB 20 37 9 0.3 0.15 11300 8500 1150 865 14.9 22000 32000 16.6 22.5 35.8 0.3
7004ADB 20 42 12 0.6 0.3 17600 13200 1800 1340 0 15000 20000 29.9 25 39.5 0.6
7004CDB 20 42 12 0.6 0.3 18000 13100 1840 1330 14 20000 30000 20.3 25 39.5 0.6

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