d - 105 mm

D - 145 mm

Ew - 134 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,82 Kg

Basic dynamic load rating (C) - 133 kN

Basic static load rating (C0) - 268 kN

(Grease) Lubrication Speed - 4 100 r/min

(Oil) Lubrication Speed - 4 800 r/min

• Model Number:NN4921
• Inner Diameter：105mm Outer Diameter：134mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-20
• Application:linear drive,printing machinery,tapping machine,construction machinery and equipment,baler,Control,flexible processing,dye pigments,printing equipment,cleaning agent,plastic molding
• Similar models:CYSD NNU4921/W33 KOYO NNU4921 ISO NNU4921V NSK NNU4921K NSK NNU4921MBKR CX NNU4921K NSK NNU4921 NACHI NNU4921 ISO NN4921K CX NNU4921KV
• BEARING POWER International Trading Co.,Ltd. specialize in NN4921 products，there is large inventory of NTN NN4921 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NN4921 Which NTN NN4921 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
  30215F	75	130	27,25	Fersa	Tapered Roller Bearings
  4T-2585/2520	33,338	66,421	25,4	NTN	Tapered Roller Bearings
  5T-6204PX32V85	20	47	14	NTN	Deep Groove Ball Bearings
  6379/K-6320/Q	65,088	135,755	53,975	SKF	Tapered Roller Bearings
  6901N	12	24	6	NSK	Deep Groove Ball Bearings
  7007CTRSU	35	62	14	NSK	Angular Contact Ball Bearings
  81234M	170	240	55	SKF	Thrust Roller Bearings
  AST40 WC28	26	48		AST	Plain Bearings
  BSB035072-T	35	72	15	FAG	Thrust Ball Bearings
  D32	61,913	97,638	20,65	INA	Thrust Ball Bearings
  F-214023	54	62	27	INA	Needle Roller Bearings
  NKS 45	45	60	22	NBS	Needle Roller Bearings
  NP407977/NP840431	30	55	16,25	Timken	Tapered Roller Bearings
  SL014912	60	85	25	ISO	Cylindrical Roller Bearings
  W619/4-2RS1	4	11	4	SKF	Deep Groove Ball Bearings
  YAR205-100-2F/AH	25,4	52	34,1	SKF	Deep Groove Ball Bearings
  S-112-LW	1.3750	3.5000	2.0000	RBC	NEEDLE BEARINGS
  1BPPL	10	35	11	RIV	DEEP GROOVE BALL BEARINGS
  688-2RS	8	16	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  M-24-CDS	6.0000	12.0000	2.2500	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE