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]
7204ADB 20 47 14 1 0.6 23500 16600 2400 1690 0 13000 19000 33.3 26 42 1
7204BDB 20 47 14 1 0.6 21600 15300 2210 1560 0 9500 13000 42.1 26 42 1
7204CDB 20 47 14 1 0.6 23600 16100 2410 1650 13.3 19000 26000 23 26 42 1
7304ADB 20 52 15 1.1 0.6 30500 20800 3100 2130 0 10000 13000 35.8 27 47 1
7304BDB 20 52 15 1.1 0.6 28200 19300 2870 1970 0 9000 12000 45.2 27 47 1
7905A5DB 25 42 9 0.3 0.15 12100 10300 1230 1050 0 16000 22000 24.6 27.5 40.8 0.3
7905CDB 25 42 9 0.3 0.15 12700 10800 1300 1110 15.5 19000 26000 18 27.5 40.8 0.3
7005ADB 25 47 12 0.6 0.3 18300 14800 1870 1510 0 13000 17000 32.8 30 44.5 0.6
7005CDB 25 47 12 0.6 0.3 19000 14800 1940 1510 14.7 18000 26000 21.6 30 44.5 0.6
7205ADB 25 52 15 1 0.6 26300 20500 2690 2090 0 12000 16000 37.2 31 47 1
7205BDB 25 52 15 1 0.6 24000 18800 2450 1920 0 8500 11000 47.3 31 47 1
7205CDB 25 52 15 1 0.6 27000 20400 2750 2080 14 17000 24000 25.3 31 47 1
7305ADB 25 62 17 1.1 0.6 43000 31500 4400 3250 0 8500 11000 42.1 32 57 1
7305BDB 25 62 17 1.1 0.6 39500 29300 4050 2980 0 7500 10000 53.5 32 57 1
7906A5DB 30 47 9 0.3 0.15 12800 11900 1300 1210 0 14000 19000 27 32.5 45.8 0.3
7906CDB 30 47 9 0.3 0.15 13500 12500 1380 1280 15.9 17000 24000 19.3 32.5 45.8 0.3
7006ADB 30 55 13 1 0.6 23600 20200 2410 2060 0 11000 15000 37.5 36 50 1
7006CDB 30 55 13 1 0.6 24600 20500 2510 2090 14.9 15000 22000 24.4 36 50 1
7206ADB 30 62 16 1 0.6 36500 29500 3750 3000 0 10000 13000 42.6 36 57 1
7206BDB 30 62 16 1 0.6 33500 27000 3400 2760 0 7100 9500 54.6 36 57 1

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