d - 17 mm

D - 30 mm

B - 7 mm

a - 9 mm

d1 - 19,5 mm

r min. - 0,3 mm

r1 min. - 0,15 mm

D1 - 27,5 mm

D2 - 28,8 mm

Weight - 0,016 Kg

Basic dynamic load rating (C) - 4,75 kN

Basic static load rating (C0) - 2,8 kN

(Grease) Lubrication Speed - 36800 r/min

(Oil) Lubrication Speed - 59300 r/min

• Model Number: 7903A5TRSU
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-17
• Application:test strip,Animal Tracking,oral medical device,medical equipment,mechanical annex,transistor fittings,cleaning agent,joint protection,Rolling mill,non-motor vehicle Electric car,set bacteria instrument
• Similar models:NTN 7903CDLLBG/GNP42 NSK 7903A5TRSU NSK 7903CTRSU NTN 7903CT1G/GMP42 NTN 7903UG/GNP42/L606Q1 NTN 5S-7903ADLLBG/GNP42 NTN 7903UCG/GNP42 NTN 5S-7903UCG/GNP42 NSK 7903A5 NTN 7903UCG/GNP4
• BEARING POWER International Trading Co.,Ltd. specialize in 7903A5TRSU products，there is large inventory of NSK 7903A5TRSU . We has been built up long-term cooperation with NSK company, could make a bulk order of the 7903A5TRSU Which NSK 7903A5TRSU 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
  1218	90,000	160,000	30,000	SNR	Self-Aligning Ball Bearings
  1302	15	42	13	ISO	Self-Aligning Ball Bearings
  240/530CAK30E4	530	780	250	NSK	Spherical Roller Bearings
  5807				Ruville	Wheel Bearings
  6318	90	190	43	NKE	Deep Groove Ball Bearings
  6930ZZ	150	210	28	KOYO	Deep Groove Ball Bearings
  7011 CDF	55	90	36	ISO	Angular Contact Ball Bearings
  707 CE/P4AH	19	7	6	SKF	Angular Contact Ball Bearings
  BB1-3013B	17	47	14	SKF	Deep Groove Ball Bearings
  ESFCE211	55			SNR	Bearing Units
  GE17UK	17	30	14	ISO	Plain Bearings
  HM212047/HM21201	63,5	122,238	38,1	FBJ	Tapered Roller Bearings
  NK16/16	16	24	16	KOYO	Needle Roller Bearings
  RMS12	38,1	95,25	23,81	CYSD	Deep Groove Ball Bearings
  RNA4910.2RS	58	72	22	Timken	Needle Roller Bearings
  SL02-4928	140	190	50	NTN	Cylindrical Roller Bearings
  UKC328	125			KOYO	Bearing Units
  NK105/26	125		26	FAG	NEEDLE BEARINGS
  ATP-145				American	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING
  I-71221	72	1.3125	17	SKF	SELF