d - 115 mm

D - 180 mm

T - 60 mm

d1 - 180 mm

r min. - 2,5 mm

D1 - 105,2 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：115mm Outer Diameter：180mm Width：60mm
• Type：Thrust Ball Bearings
• Update date：2025-12-17
• Application:Digital Generator,lifting upgrade,survey accessories,ultra-quiet generators,multi-knife lathe,noise inspection,car instrument,Cylinder Micro,mechanical annex,impression material,medical equipment
• Similar models:NACHI 3921 FBJ 3921
• BEARING POWER International Trading Co.,Ltd. specialize in 3921 products，there is large inventory of FBJ 3921 . We has been built up long-term cooperation with FBJ company, could make a bulk order of the 3921 Which FBJ 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  16005	25	47	8	ISB	Deep Groove Ball Bearings
  2309E-2RS1KTN9	45	100	36	SKF	Self-Aligning Ball Bearings
  239/900 KCW33+AH39/900	900	1180	206	ISO	Spherical Roller Bearings
  3207-ZZ	35	72	27	ISB	Angular Contact Ball Bearings
  47686/47620	82,55	133,35	33,338	FBJ	Tapered Roller Bearings
  7013AC	65	100	18	NACHI	Angular Contact Ball Bearings
  7020CG/GLP4	100	150	24	NTN	Angular Contact Ball Bearings
  745A/742	69,85	150,089	44,45	ISO	Tapered Roller Bearings
  AST800 2015	20	23		AST	Plain Bearings
  B-228	34,925	41,275	12,7	NSK	Needle Roller Bearings
  BT2B 328381/HA1	635	491	148	SKF	Tapered Roller Bearings
  K 45x53x22	45	53		NBS	Needle Roller Bearings
  NJ2313 EMA	65	140	48	AST	Cylindrical Roller Bearings
  NK18X28X20	18,000	28,000	20,000	NTN	Needle Roller Bearings
  QJ236	180	320	52	ISO	Angular Contact Ball Bearings
  SDE10AJ	10	19	22	KOYO	Linear Bearings
  W208PPB12	1.1250	3.4375	1.4375	FAF	AGRICULTURAL BALL BEARINGS
  SSUCP210-32	2.0000			Peer	STAINLESS STEEL PILLOW BLOCKS
  S-3508-2RSNR	40	80	1.1875	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  4300	10	35	17	CONSOLIDATED	DEEP GROOVE BALL BEARINGS