d - 105 mm

D - 145 mm

E - 135 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 315 kN

(Grease) Lubrication Speed - 6 000 r/min

(Oil) Lubrication Speed - 7 200 r/min

• Model Number:NN4921MB
• Inner Diameter：105mm Outer Diameter：135mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-27
• Application:Generator,generator,lifting chain,medical Equipment,decoration machinery,Garment Accessories,Anesthetic Equipment,powder metallurgy,storage shelves,Optical Instruments,Hair styling device
• Similar models:ISO NNU4921 NSK NNU4921K NSK RSF-4921E4 ISO NNU4921K NTN NNU4921KC1NAP4 NSK RS-4921E4 ISO NNU4921KV ISB NNU4921SPW33 ISO NNU4921V FAG NNU4921-S-K-M-SP
• BEARING POWER International Trading Co.,Ltd. specialize in NN4921MB products，there is large inventory of NSK NN4921MB . We has been built up long-term cooperation with NSK company, could make a bulk order of the NN4921MB Which NSK NN4921MB 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
  160RIT645	406,4	568		Timken	Cylindrical Roller Bearings
  23988-K-MB+AH3988	440	600	118	FAG	Spherical Roller Bearings
  4T-HM515745/HM515716	76,2	142,138	44,45	NTN	Tapered Roller Bearings
  52410	50	110	78	NSK	Thrust Ball Bearings
  61924	120	165	22	NKE	Deep Groove Ball Bearings
  6203ZE	17	40	12	NACHI	Deep Groove Ball Bearings
  7030C	150	225	35	NACHI	Angular Contact Ball Bearings
  AEL205D1	25,000	52,000	21,5	NTN	Deep Groove Ball Bearings
  CRB 20025	200	260	25	IKO	Thrust Roller Bearings
  HH437549/HH437510	165,1	336,55	92,075	NSK	Cylindrical Roller Bearings
  MFJ-2820	28	35	20	NSK	Needle Roller Bearings
  MUC205	25	52	34	NACHI	Deep Groove Ball Bearings
  PR5E	5		5	NMB	Plain Bearings
  PTUEY50	50			NKE	Bearing Units
  TNB44200S01	20	26	16,8	SNR	Needle Roller Bearings
  1305TV	25	62	17	FAG	SELF
  BNT013	65	100	18	NTN	ANGULAR CONTACT BALL BEARINGS
  560SD32	560	1030	365	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  6203-ZZ	17	40	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  6222MP/5	110	200	38	CONSOLIDATED	DEEP GROOVE BALL BEARINGS