d - 105 mm

D - 145 mm

B - 40 mm

C - 40 mm

Basic dynamic load rating (C) - 133 kN

Basic static load rating (C0) - 268 kN

(Grease) Lubrication Speed - 4100 r/min

(Oil) Lubrication Speed - 4800 r/min

• Model Number:NNU4921K
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-27
• Application:car shock absorber,municipal machinery,chemical,Digital Generator,hydraulic cylinder buffer,chamfer,coal mill,multi-knife lathe,chemical raw materials and reagents,Medical room equipment,fruit and vegetable processing
• Similar models:ISO NN4921K CX NNU4921K NSK NN4921MB NACHI NNU4921 CYSD NNU4921K/W33 ISO NN4921 NSK NNU4921MBKR ISB NNU4921K/SPW33 NSK NNU4921MB NSK NNU4921K
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921K products，there is large inventory of CX NNU4921K . We has been built up long-term cooperation with CX company, could make a bulk order of the NNU4921K Which CX NNU4921K 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
  22310AEX	50	110	40	NACHI	Cylindrical Roller Bearings
  21318 KCW33+AH318	90	190	43	ISO	Spherical Roller Bearings
  2689/2631	28,575	66,421	23,812	KOYO	Tapered Roller Bearings
  31309	45	100	27,25	ISO	Tapered Roller Bearings
  32938*2	190	260	45	CYSD	Tapered Roller Bearings
  3NCHAC932C	160	220	28	KOYO	Angular Contact Ball Bearings
  52426	134	270	192	ISO	Thrust Ball Bearings
  6240 ZZ	200	360	58	ISO	Deep Groove Ball Bearings
  7205 A-UD	25	52	30	CX	Angular Contact Ball Bearings
  NK25/16	25	33	16	KOYO	Needle Roller Bearings
  NP10/800	800	1150	155	CX	Cylindrical Roller Bearings
  PSL 610-307	203,2	261,142	28,575	TMB	Tapered Roller Bearings
  W204PPG	20	47	.8125	FAF	DEEP GROOVE BALL BEARINGS
  239/750MB	750	1000	185	FAG	SPHERICAL ROLLER BEARINGS
  NCF2916V	80	110	19	FAG	CYLINDRICAL ROLLER BEARINGS
  234434M.SP	170	260	234434 M.SP	FAG	ANGULAR CONTACT THRUST BALL BEARINGS
  NUP302	15	42	13	STEYR	CYLINDRICAL ROLLER BEARINGS
  117S	85	145	18	MRC	DEEP GROOVE BALL BEARINGS
  0610-025-00	25	40	58	STAR	LINEAR RECIRCULATING BALL BEARINGS
  6413NR	65	160	37	CONSOLIDATED	DEEP GROOVE BALL BEARINGS