NSK 7921A5TY
Preload 
内径, d105 (N/A/N/A) mm
外径, D145 (N/A/N/A) mm
宽度, B (or T)20 (N/A/N/A) mm
倒角, r min1.1 mm
倒角, r1 min0.6 mm
动负荷, Cr48000 N
静负荷, C0r54000 N
极限转速(油脂)7100 RPM
极限转速(油)10000 RPM
Contact Angle25 degree
Effective Load Center, a39.2 mm
Rolling Element TypeStandard
Internal Space32 cm3/row
Cage MaterialPolyamide
da min112 mm
Da max138 mm
Db max140 mm
ra max1 mm
rb max0.6 mm
重量0.82 kg
发布时间:2026-08-24

NSK7921A5TY角接触球轴承供应商

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