d - 240 mm

F - 265 mm

D - 320 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 2 mm

da min. - 251 mm

Da max. - 309 mm

ra max. - 2 mm

Weight - 14,7 Kg

Basic dynamic load rating (C) - 540 kN

Basic static load rating (C0) - 1350 kN

(Grease) Lubrication Speed - 1 000 r/min

(Oil) Lubrication Speed - 1 500 r/min

• Model Number: NA4948
• Inner Diameter：240mm Outer Diameter：320mm Width：80mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:surgical instruments,extruder,bio-chemical,vertical processing,Anti-defibrillation pacing,Blood coagulation reagent,organic raw materials,other processing,Medical printer,pump accessories,Cylinder Standard
• Similar models:NTN RNA4948 ISO NA4948 NSK RNA4948 IKO NA4948 CX NA4948 NTN NA4948 IKO RNA4948 NSK NA4948 CX RNA4948 ISO RNA4948
• BEARING POWER International Trading Co.,Ltd. specialize in NA4948 products，there is large inventory of NTN NA4948 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4948 Which NTN NA4948 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
  241/560CAE4	560	920	355	NSK	Spherical Roller Bearings
  2RT4046	200,000	378,000	75,000	NTN	Thrust Roller Bearings
  475/472	55	120	29,794	ISO	Tapered Roller Bearings
  55187/55443	47,625	112,712	30,162	Timken	Tapered Roller Bearings
  5S-2LA-HSE022ADG/GNP42	110	170	28	NTN	Angular Contact Ball Bearings
  61916	80	110	16	ZEN	Deep Groove Ball Bearings
  6202DDU	15	35	11	NSK	Deep Groove Ball Bearings
  6203	17	40	12	CRAFT	Deep Groove Ball Bearings
  6208LLUD2	40,000	80,000	36,000	NTN	Deep Groove Ball Bearings
  7314DF	70	150	35	NTN	Angular Contact Ball Bearings
  MUCP207	35		42.9	NACHI	Bearing Units
  T-E-M268749D/M268710/M268710DG2	415,925	590,55	434,975	NTN	Tapered Roller Bearings
  ST2857-N	28	57	17	KOYO	Tapered Roller Bearings
  T921V	234.950	546.100	127.000	KOYO	Thrust Roller Bearings
  E5038U	190	290	75	Rollway	CYLINDRICAL ROLLER BEARINGS
  W6305	25	62	17	SKF	DEEP GROOVE BALL BEARINGS
  JU065XPO	6.5000	7.2500	.5000	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  1834S	170	215	22	MRC	DEEP GROOVE BALL BEARINGS
  6008.2Z	40	68	15	SKF	DEEP GROOVE BALL BEARINGS
  6203NR	17	40	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS