d - 220 mm

D - 300 mm

B - 80 mm

C - 80 mm

d1 - 249 mm

r min. - 2.1 mm

D1 - 268 mm

da min. - 231 mm

Da max. - 289 mm

ra max. - 2 mm

Weight - 17.1 Kg

Basic dynamic load rating (C) - 695 kN

Basic static load rating (C0) - 1620 kN

(Grease) Lubrication Speed - 450 r/min

(Oil) Lubrication Speed - 900 r/min

• Model Number: RB4944
• Inner Diameter：220mm Outer Diameter：300mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:electronic components,horizontal processing,Insect Count,packaging machinery,historical instruments,Laser Devices,Digital Generator,sample cup,turret industry,metallurgical mold,other mold
• Similar models:KOYO NNU4944K NTN NNU4944C1NAP5 NKE NNCL4944-V FAG NNU4944-S-K-M-SP CYSD NNU4944K/W33 CX NNU4944V ISO NNCL4944V NTN NN4944C1NAP4 CX NNCL4944V ISO NNU4944
• BEARING POWER International Trading Co.,Ltd. specialize in RB4944 products，there is large inventory of NACHI RB4944 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the RB4944 Which NACHI RB4944 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.

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  02877/02820	34,925	73,025	22,225	CX	Tapered Roller Bearings
  23048-K-MB-W33+AH3048	240	360	92	NKE	Spherical Roller Bearings
  31304	20	52	16,25	FAG	Tapered Roller Bearings
  7002CDB	15	32	9	NACHI	Angular Contact Ball Bearings
  B1110	17,462	22,225	15,88	KOYO	Needle Roller Bearings
  F16080	40	74	36	Fersa	Angular Contact Ball Bearings
  G1200KPPB4	50,8	100	55,56	Timken	Deep Groove Ball Bearings
  HCB71900-C-2RSD-T-P4S	10	22	6	FAG	Angular Contact Ball Bearings
  K 7x9x7 TN	7	9		NBS	Needle Roller Bearings
  NCF1848-V	240	287	28	NKE	Cylindrical Roller Bearings
  N228 E	140	250	42	CX	Cylindrical Roller Bearings
  PSL 512-17	380	520	256	PSL	Cylindrical Roller Bearings
  RNA 4876	415	480	100	NBS	Needle Roller Bearings
  SEA110 7CE3	110	140	16	SNFA	Angular Contact Ball Bearings
  SL182992	460	620	95	INA	Cylindrical Roller Bearings
  MUCF208-24	1.5000			AMI	STAINLESS STEEL PILLOW BLOCKS
  93326	.7500	1.1250	1.6250	BERLISS	JOURNAL ROLLER ASSEMBLIES
  KB090ARO	9.0000	9.6250	.3125	KAYDON	ANGULAR CONTACT BALL BEARINGS
  AS140180	140	180		Torrington	THRUST NEEDLE BEARINGS
  FR1ZZ	.0550	.1875	.1094	SKF	DEEP GROOVE BALL BEARINGS