d - 105 mm

D - 145 mm

B - 20 mm

ra1 max. - 0,6 mm

Angle (α) - 25 °

a - 46 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

2B - 40 mm

Da max. - 138 mm

db min - 112 mm

ra max. - 1 mm

Weight - 1,944 Kg

Basic dynamic load rating (C) - 79 kN

Basic static load rating (C0) - 109 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

• Model Number:7921DF
• Inner Diameter：105mm Outer Diameter：145mm Width：20mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:set bacteria instrument,plastic rolling,Cylinder Special,economic mold,Cutting Machine,sucker industry,rolling machine,machining,garden machinery,ship special,coal mill
• Similar models:CYSD 7921DF NTN 7921C NSK 7921C NTN 7921DF CYSD 7921 KOYO 7921C NTN 7921CDB/GLP4 NTN 7921UADG/GNP42 NTN 7921UCG/GNP42 NSK 7921A5
• BEARING POWER International Trading Co.,Ltd. specialize in 7921DF products，there is large inventory of NTN 7921DF . We has been built up long-term cooperation with NTN company, could make a bulk order of the 7921DF Which NTN 7921DF is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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