d - 15 mm

Fw - 20 mm

D - 28 mm

B - 13 mm

C - 13 mm

r min. - 0,3 mm

da min. - 17 mm

Da max. - 26 mm

ra max. - 0,3 mm

Weight - 0,035 Kg

Basic dynamic load rating (C) - 10,8 kN

Basic static load rating (C0) - 13,6 kN

(Grease) Lubrication Speed - 13000 r/min

(Oil) Lubrication Speed - 22000 r/min

• Model Number:NA4902
• Inner Diameter：15mm Outer Diameter：28mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2026-01-13
• Application:municipal machinery,embroidery cloth,noise reduction equipment,wire industry,medical equipment,multi-knife lathe,quality inspection equipment,fabric products,small diesel generators,food safety,Automation
• Similar models:NTN NA4902R NBS RNA4902 CX NA4902-2RS CX NA4902 IKO NA4902UU MPZ RNA4902 INA NA4902 KOYO NA4902RS NSK NA4902TT IKO RNA4902U
• BEARING POWER International Trading Co.,Ltd. specialize in NA4902 products，there is large inventory of NSK NA4902 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA4902 Which NSK NA4902 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
  02872/2820	28,575	73,025	22,225	ISB	Tapered Roller Bearings
  231/800 CAK/W33	1280	800	375	SKF	Spherical Roller Bearings
  23228 EKW33+H2328	125	250	88	ISB	Spherical Roller Bearings
  23976 KCW33	380	520	106	CX	Spherical Roller Bearings
  241/710BK30	710	1150	438	NTN	Spherical Roller Bearings
  5211NRZZG15	55,000	100,000	33,300	SNR	Angular Contact Ball Bearings
  7030CP2	150	225	35	NTN	Angular Contact Ball Bearings
  7056 A	280	420	65	ISO	Angular Contact Ball Bearings
  AB40228S01	15	42	11	SNR	Deep Groove Ball Bearings
  K21X25X17F	21	25		Timken	Needle Roller Bearings
  K61×66×20	61	66		NTN	Needle Roller Bearings
  W 61910	72	50	12	SKF	Deep Groove Ball Bearings
  SCV 40-UU AS	40			NBS	Linear Bearings
  SYNT 80 FTS	80	100	72	SKF	Bearing Units
  ZB1.25.0762.200-1SPPN	648	850	70	ISB	Thrust Ball Bearings
  AY-8	8	19	6	ADR	DEEP GROOVE BALL BEARINGS
  240TP179				Torrington	THRUST ROLLER BEARINGS
  RHNA253220	32		20	SKF (Old No.)	NEEDLE BEARINGS
  6211-2RS1	100	55	21	SKF	DEEP GROOVE BALL BEARINGS
  6306-2RSNR	30	72	19	CONSOLIDATED	DEEP GROOVE BALL BEARINGS