d - 105 mm

Fw - 117 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,99 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 315 kN

(Grease) Lubrication Speed - 3 800 r/min

(Oil) Lubrication Speed - 4 800 r/min

• Model Number: NNU 4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-04-22
• Application:Microwave Equipment,Infrared Technology,Optical Instruments,Generator,metal mold,hydraulic connector,lifting chain,agrochemical,welding equipment,dynamic blood pressure,Handling machinery and various industrial machinery
• Similar models:CYSD NNU4921/W33 NACHI NNU4921 NACHI NNU4921K NSK NNU4921MB CX NNU4921K CX NN4921K KOYO NNU4921 NTN NNU4921KC1NAP4 NTN NNU4921C1NAP4 CX NNU4921
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of NSK NNU 4921 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NNU 4921 Which NSK NNU4921 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
  1621ZZ	12,7	34,925	11,1125	FBJ	Deep Groove Ball Bearings
  20244 C	220	400	65	CX	Spherical Roller Bearings
  2LA-BNS911LLBG/GNP42	55	80	13	NTN	Angular Contact Ball Bearings
  6312N	60	130	31	NTN	Deep Groove Ball Bearings
  6312ZZ	60	130	31	CRAFT	Deep Groove Ball Bearings
  71832 ACD/HCP4	200	160	20	SKF	Angular Contact Ball Bearings
  71913 CE/P4A	90	65	13	SKF	Angular Contact Ball Bearings
  7415 BDT	75	190	90	ISO	Angular Contact Ball Bearings
  GEEW50ES	50	75	50	LS	Plain Bearings
  JM718149/JM718110	90	145	35	NSK	Tapered Roller Bearings
  NK19/20	19	27	20	ZEN	Needle Roller Bearings
  PK38X46X19.8	38,000	46,000		NTN	Needle Roller Bearings
  RASE3/4	19.05			INA	Bearing Units
  UCIP322	110		117	NACHI	Bearing Units
  4307				FAF	THRUST BALL BEARINGS
  NK73/25	90		25	INA	NEEDLE BEARINGS
  81248			32.0	INA	THRUST ROLLER BEARINGS
  6218K	90	160	30	STEYR	DEEP GROOVE BALL BEARINGS
  LER-144	6.2500		25.34	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS
  ER-205	2.0472	25	.7500	CONSOLIDATED	BALL BEARING