NSK 7221A5TY
内径, d105 (N/A/N/A) mm
外径, D190 (N/A/N/A) mm
宽度, B (or T)36 (N/A/N/A) mm
倒角, r min2.1 mm
倒角, r1 min1.1 mm
动负荷, Cr155000 N
静负荷, C0r137000 N
极限转速(油脂)5300 RPM
极限转速(油)7500 RPM
Contact Angle25 degree
Effective Load Center, a52.4 mm
Rolling Element TypeStandard
Internal Space153 cm3/row
Cage MaterialPolyamide
da min117 mm
Da max178 mm
Db max183 mm
ra max2 mm
rb max1 mm
重量3.77 kg
发布时间:2026-10-30

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