Front-to-Front DF

Model

Angular Contact Ball Bearings > Single/Matched Mountings > Front-to-Front DF

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]
7920A5DF 100 140 20 1.1 0.6 77000 103000 7850 10500 0 4500 6300 36 107 133 1
7920CDF 100 140 20 1.1 0.6 81500 108000 8300 11100 16.5 5300 7500 12.2 107 133 1
7020ADF 100 150 24 1.5 1 111000 141000 11300 14400 0 3600 5000 48.2 109 141 1.5
7020CDF 100 150 24 1.5 1 122000 154000 12500 15800 16 5300 7100 9.5 109 141 1.5
7220ADF 100 180 34 2.1 1.1 233000 251000 23800 25600 0 3200 4300 46.8 107 168 2
7220BDF 100 180 34 2.1 1.1 212000 229000 21600 23300 0 2200 3000 83.5 107 168 2
7220CDF 100 180 34 2.1 1.1 242000 254000 24700 25900 14.5 4500 6300 3.5 112 168 2
7320ADF 100 215 47 3 1.1 335000 385000 34500 39500 0 2200 3000 43.9 107 201 2.5
7320BDF 100 215 47 3 1.1 310000 355000 31500 36000 0 2000 2800 85.2 107 201 2.5
7921A5DF 105 145 20 1.1 0.6 78500 108000 8000 11000 0 4300 6000 38.3 112 138 1
7921CDF 105 145 20 1.1 0.6 83000 114000 8450 11600 16.6 5300 7100 13.5 112 138 1
7021ADF 105 160 26 2 1 130000 163000 13300 16700 0 3400 4500 50.5 115 150 2
7021CDF 105 160 26 2 1 143000 179000 14600 18200 15.9 4800 6700 9.5 115 150 2
7221ADF 105 190 36 2.1 1.1 254000 283000 25900 28900 0 3000 4000 49.2 112 178 2
7221BDF 105 190 36 2.1 1.1 231000 258000 23500 26300 0 2200 3000 87.8 112 178 2
7221CDF 105 190 36 2.1 1.1 264000 286000 26900 29100 14.5 4300 6000 3.5 117 178 2
7321ADF 105 225 49 3 1.1 335000 385000 34500 39500 0 2200 2800 46.3 119 211 2.5
7321BDF 105 225 49 3 1.1 310000 355000 31500 36000 0 1900 2600 89.4 119 211 2.5
7922A5DF 110 150 20 1.1 0.6 79500 112000 8100 11500 0 4300 5600 40.6 117 143 1
7922CDF 110 150 20 1.1 0.6 84500 119000 8600 12100 16.7 5000 6700 14.8 117 143 1

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