d - 105 mm

D - 175 mm

B - 69 mm

C - 69 mm

Weight - 6,7 Kg

Basic dynamic load rating (C) - 404,74 kN

Basic static load rating (C0) - 656,6 kN

(Grease) Lubrication Speed - 3870 r/min

(Oil) Lubrication Speed - 4085 r/min

• Model Number: NNU 4121 K30M/W33
• Inner Diameter：105mm Outer Diameter：175mm Width：69mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:fabric products,agriculture,multi-knife lathe,hydraulic connector,motor,teaching equipment,Broadcasting System,Forming mold,static control,Optical Instruments,Machine tools
• Similar models:ISB NNU4121M/W33 ISB NNU4121K30M/W33
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4121K30M/W33 products，there is large inventory of ISB NNU 4121 K30M/W33 . We has been built up long-term cooperation with ISB company, could make a bulk order of the NNU 4121 K30M/W33 Which ISB NNU4121K30M/W33 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
  161142X/161200P	142,875	200	80,15	Gamet	Tapered Roller Bearings
  131095/131158XH	95	158,75	75	Gamet	Tapered Roller Bearings
  2222	110	200	53	SKF	Self-Aligning Ball Bearings
  22316 KMB+AH2316X	75	170	58	MPZ	Spherical Roller Bearings
  315933	780	630	56	SKF	Thrust Ball Bearings
  6816-ZZ	80	100	10	CYSD	Deep Groove Ball Bearings
  AC-6302	15	42	13	NTN	Deep Groove Ball Bearings
  HSB922C	110	150	20	NTN	Angular Contact Ball Bearings
  MBY14CR	14	29	23,5	NMB	Plain Bearings
  N3332	160	340	136	ISO	Cylindrical Roller Bearings
  NF 317	85	156	41	NSK	Cylindrical Roller Bearings
  NUP 2208	40	80	23	SIGMA	Cylindrical Roller Bearings
  PSL 612-315	305,07	500	200	PSL	Tapered Roller Bearings
  SY 1.3/4 FM	44,45			SKF	Bearing Units
  TAF 9511536	95	115	36	IKO	Needle Roller Bearings
  314WDD	70	150	35	FAF	DEEP GROOVE BALL BEARINGS
  GY1112KRRB	1.7500	3.3460	.9640	FAF	PILLOW BLOCKS
  6315.2RS	75	160	37	SKF	DEEP GROOVE BALL BEARINGS
  LER-188	3.1875		25.34	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS
  F61903-2RS	17	30	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS