d - 105 mm

D - 190 mm

B - 36 mm

C - 36 mm

r min. - 2,1 mm

da min. - 116 mm

Da max. - 179 mm

ra max. - 2 mm

Weight - 4,52 Kg

Basic dynamic load rating (C) - 75 kN

Basic static load rating (C0) - 32,5 kN

(Grease) Lubrication Speed - 3 000 r/min

(Oil) Lubrication Speed - 3 600 r/min

Calculation factor (e) - 0,18

Calculation factor (Y0) - 3,7

Calculation factor (Y2) - 5,5

Calculation factor (Y3) - 3,6

• Model Number: 1221
• Inner Diameter：105mm Outer Diameter：190mm Width：36mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-09
• Application:extruder,medical equipment,magnetic elements,special broaching machine,air shower etc,ECG,Warehouse Shelf Equipment,storage and transportation equipment,Cylinder Standard,tube,chemical raw materials and reagents
• Similar models:NTN 1221S KOYO 1221 FAG 1221-M AST 1221 SIGMA 1221 ISO 1221K+H221 CX 1221K+H221 CX 1221K CX 1221 NSK 1221
• BEARING POWER International Trading Co.,Ltd. specialize in 1221 products，there is large inventory of NSK 1221 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 1221 Which NSK 1221 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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