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：2025-12-09
• Application:pump accessories,industrial fans,pneumatic,car instrument,ignition system,E Beauty,metallurgical mold,water,flow control valve,lifting equipment Hoisting hoist,Technical Equipment
• Similar models:CX NNU4921KV ISB NNU4921SPW33 ISO NN4921 NSK RS-4921E4 NSK RSF-4921E4 NSK NNU4921 NSK NNU4921MBKR ISO NNU4921 FAG NNU4921-S-M-SP NSK NNU4921K
• 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
  20NQI3714	20	37	14	KOYO	Needle Roller Bearings
  22308 EKW33+H2308	35	90	33	ISB	Spherical Roller Bearings
  32319	95	200	71,5	KOYO	Tapered Roller Bearings
  4R3243	160,000	230,000	168,000	NTN	Cylindrical Roller Bearings
  5200K	10	30	14,27	Timken	Angular Contact Ball Bearings
  6305-2RS	25	62	17	CRAFT	Deep Groove Ball Bearings
  AST50 14FIB16	22,225			AST	Plain Bearings
  BK0810	8	12	10	INA	Needle Roller Bearings
  BK6520	65	73	20	CX	Cylindrical Roller Bearings
  GEG80ES	80	130		AST	Plain Bearings
  H7018AC/HQ1	90	140	24	AST	Angular Contact Ball Bearings
  HR30207C	35	72	18,25	NSK	Tapered Roller Bearings
  NJ18/750	750	920	78	ISO	Cylindrical Roller Bearings
  NN3014K	70	110	30	KOYO	Cylindrical Roller Bearings
  SBPFL207	35		32	FYH	Bearing Units
  YAT 206-104	62	31,75	30,2	SKF	Deep Groove Ball Bearings
  WCT-39A	8.9680	9.3750		Rollway	THRUST ROLLER BEARINGS
  FPCD1200	12.0000	13.0000	.5000	SKF	DEEP GROOVE BALL BEARINGS
  940	290	200		CONSOLIDATED	THRUST BALL BEARINGS
  SN-620..21320-K	90		120	CONSOLIDATED	PILLOW BLOCKS