d - 105 mm

D - 180 mm

T - 60 mm

d1 - 180 mm

r min. - 2.5 mm

D1 - 105.2 mm

da min. - 153 mm

Da max. - 137 mm

ra max. - 2.5 mm

Weight - 6.354 Kg

Basic dynamic load rating (C) - 257 kN

Basic static load rating (C0) - 670 kN

(Grease) Lubrication Speed - 930 r/min

(Oil) Lubrication Speed - 1400 r/min

• Model Number: 3921
• Inner Diameter：105mm Outer Diameter：180mm Width：60mm
• Type：Thrust Ball Bearings
• Update date：2025-12-13
• Application:Gripper Swing,relay,Seals,office equipment,Solenoid Valves,Anesthetic Equipment,walking Food processing machinery and equipment,Sensors,bathroom facilities,Logistics Equipment,Broadcasting System
• Similar models:NACHI 3921 FBJ 3921
• BEARING POWER International Trading Co.,Ltd. specialize in 3921 products，there is large inventory of NACHI 3921 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3921 Which NACHI 3921 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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  B7048-E-T-P4S	240	360	56	FAG	Angular Contact Ball Bearings
  F683ZZ	3	7	3	ISO	Deep Groove Ball Bearings
  N 348	240	430	95	NSK	Cylindrical Roller Bearings
  NA 4905 RS	25	42	18	NBS	Needle Roller Bearings
  NU 29/600 ECMA/HB1	800	600	118	SKF	Thrust Ball Bearings
  JK0S040	40	68	21	FAG	TAPERED ROLLER BEARINGS
  104HCRRUL	20	42	12	Barden	ANGULAR CONTACT BALL BEARINGS
  160DR	60	110	28	HOFF	DEEP GROOVE BALL BEARINGS
  NU2306	30	72	27	SKF	CYLINDRICAL ROLLER BEARINGS
  TRC815	.5000	.9375		Torrington	THRUST NEEDLE BEARINGS
  R1ZZS	.0550	.1875	.1094	ISC	DEEP GROOVE BALL BEARINGS
  6215Z	75	130	25	STEYR	DEEP GROOVE BALL BEARINGS
  633-ZZ	3	13	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  RLS-31-LL	13.0000	20.0000	2.7500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS