d - 105 mm

Fw - 118 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

da min. - 111,5 mm

da max - 116 mm

Da max. - 138,5 mm

db min - 120 mm

ra max. - 1 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 157 kN

Basic static load rating (C0) - 306 kN

(Grease) Lubrication Speed - 3900 r/min

(Oil) Lubrication Speed - 4600 r/min

• Model Number:NNU4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2023-03-13
• Application:power tools,sterilizers,other CNC,security equipment,top industry,Industrial,sewage pump,climb ladder,ventilation fans,pump accessories,clean stationery
• Similar models:NSK NNU4921MBKR KOYO NNU4921K NTN NN4921K NTN NNU4921 CX NN4921K FAG NNU4921-S-K-M-SP NACHI NNU4921 NACHI NNU4921K NSK NN4921MB FAG NNU4921-S-M-SP
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of KOYO NNU4921 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NNU4921 Which KOYO 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
  240/950W33	950	1360	412	ISO	Spherical Roller Bearings
  24140RK30	200	340	140	KOYO	Spherical Roller Bearings
  30/8-2RS	8	22	11	ISO	Angular Contact Ball Bearings
  4T-395A/394A	66,675	110	22	NTN	Tapered Roller Bearings
  51108	40	60	13	NKE	Thrust Ball Bearings
  625948A	240	338	248	NTN	Tapered Roller Bearings
  CX362				CX	Wheel Bearings
  FW9241	42	78	41	FAG	Angular Contact Ball Bearings
  GS 89438	38,5	380	195	SKF	Thrust Roller Bearings
  HR32308J	40	90	35,25	NSK	Tapered Roller Bearings
  JHM911244/JHM911211	60	130	34,1	FBJ	Tapered Roller Bearings
  N407	35	83	25	NTN	Cylindrical Roller Bearings
  NJ326-E-MPA	130	280	58	NKE	Cylindrical Roller Bearings
  NUP406-M	30	90	23	NKE	Cylindrical Roller Bearings
  S6203	17	40	12	ZEN	Deep Groove Ball Bearings
  UCHA210	50		51,6	KOYO	Bearing Units
  UCTL208-200	40		49,2	KOYO	Bearing Units
  UKF207H	30			SNR	Bearing Units
  NN3056ASK.M.SP	280	420	106	FAG	CYLINDRICAL ROLLER BEARINGS
  5209-K	45	85	30.2	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS