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Cylindrical Roller Bearing

High Speed d 10-20mm

Principal dimensions (mm) Basic load ratings (kn) Speed ratings(r/min) Designation a (mm) Basic load ratings
Combinaton
(kn)
Bearing No. Speed ratings
Combination
(r/min)
Fitting dimension (mm) Wight(kg)
Single Row
d D B r1,2
min
r3,4
min
Cr Cor Grease Oil Cr Cor DB DF DT Grease Oil da
min
Da
max
Db
max
ra
max
rb
max
20 37 9 0.3 0.15 6.05 4.56 43000 63000 71904CTA 8.0 9.83 9.12 71904CTA/DB 71904CTA/DF 71904CTA/DT 34000 50000 22.0 35.0 35.8 0.3 0.10 0.035
20 37 9 0.3 0.15 5.72 4.37 38000 56000 71904ACTA 11.0 9.29 8.74 71904ACTA/DB 71904ACTA/DF 71904ACTA/DT 30000 44800 22.0 35.0 35.8 0.3 0.10 0.035
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