d - 220 mm

F - 278 mm

D - 300 mm

B - 60 mm

C - 60 mm

r min. - 3,5 mm

r1 max. - 3,5 mm

S - 2 mm

da min. - 238 mm

Da min - 280 mm

Da max. - 285 mm

ra max. - 3 mm

Weight - 12 Kg

Basic dynamic load rating (C) - 299 kN

Basic static load rating (C0) - 668 kN

(Grease) Lubrication Speed - 1800 r/min

(Oil) Lubrication Speed - 2200 r/min

• Model Number: NN3944MB
• Inner Diameter：220mm Outer Diameter：300mm Width：60mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:small diesel generators,plant determination,hydraulic actuator,tube,internal combustion engine,root canal filling,metallurgy,medical equipment,medical treatment,Microwave Equipment,other rubber
• Similar models:NACHI 23944EK NTN NN3944C1NAP4 NSK NN3944MBKR PSL NN3944MB NTN NN3944KC1NAP4 NSK NN3944MB NACHI 23944E
• BEARING POWER International Trading Co.,Ltd. specialize in NN3944MB products，there is large inventory of PSL NN3944MB . We has been built up long-term cooperation with PSL company, could make a bulk order of the NN3944MB Which PSL NN3944MB 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
  1212K+H212	60	110	22	ISO	Self-Aligning Ball Bearings
  2B-DE07A37CS22/L260	36	72	42	NTN	Angular Contact Ball Bearings
  6008-2NKE9	40	68	15	NACHI	Deep Groove Ball Bearings
  7013 C	65	100	18	NSK	Angular Contact Ball Bearings
  GEK45XS-2RS	45	100	72	FBJ	Plain Bearings
  J-910-F	14,288	19,05	15,88	NSK	Needle Roller Bearings
  K47X52X17	47	52		INA	Needle Roller Bearings
  M-881	12,7	17,462	12,7	NSK	Needle Roller Bearings
  NUP2236	180	320	86	KOYO	Cylindrical Roller Bearings
  NUP2320	100	215	73	ISO	Cylindrical Roller Bearings
  R22-2Z	34,925	63,5	14,288	ZEN	Deep Groove Ball Bearings
  SB 90A	90	140	76	IKO	Plain Bearings
  SL024928	140	190	50	ISO	Cylindrical Roller Bearings
  SS 618/8	8	16	4	ISB	Deep Groove Ball Bearings
  81322			23	INA	THRUST ROLLER BEARINGS
  3221	105	190	65.1	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  RK6-43P1Z	934	1198		KAYDON	SLEWING BEARINGS
  1210R	90	50	20	FED	DEEP GROOVE BALL BEARINGS
  L-940ZZ	4	9	4	NMB	DEEP GROOVE BALL BEARINGS
  SN-206..1206	30	-	52	CONSOLIDATED	PILLOW BLOCKS