d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

r min. - 0.3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0.3 mm

Weight - 0.018 Kg

Basic dynamic load rating (C) - 4,6 kN

Basic static load rating (C0) - 2,55 kN

(Grease) Lubrication Speed - 24000 r/min

(Oil) Lubrication Speed - 29000 r/min

• Model Number:6903ZE
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:Industrial Adhesive,teaching equipment,medical equipment,shoe-making machinery,orthodontic material,tapered grinder,Broadcasting System,Cylinder Type,multi-knife lathe,Roller,industry test
• Similar models:ISB F6903 NTN 6903NR PFI 6903-2RSC3 CYSD 6903-2RS KOYO 6903-2RD KOYO 6903 NACHI 6903 NTN 6903ZZNR ZEN P6903-SB CYSD 6903-ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6903ZE products，there is large inventory of NACHI 6903ZE . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6903ZE Which NACHI 6903ZE 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
  1215	75	130	25	NACHI	Self-Aligning Ball Bearings
  1779/1729	23,812	56,896	19,368	KOYO	Tapered Roller Bearings
  22208-E-K-W33+AH308	40	80	23	NKE	Spherical Roller Bearings
  6214-Z-NR	70	125	24	NKE	Deep Groove Ball Bearings
  ESSP206	30			SNR	Bearing Units
  HH914447/12	63,5	177,8	57,15	ISO	Tapered Roller Bearings
  K70X76X30	70	76		INA	Needle Roller Bearings
  NK25X45X18.5NR	25,000	45,000	18,500	NTN	Needle Roller Bearings
  NANFL202-10	15,875			FYH	Bearing Units
  NN3176	380	650	194	CX	Cylindrical Roller Bearings
  NUP3226	130	230	80	ISO	Cylindrical Roller Bearings
  UCP306	30			CX	Bearing Units
  682ZZS	2	5	2.3	ISC	DEEP GROOVE BALL BEARINGS
  N12			.5410	Torrington	LOCKNUTS
  4AK	35	72	17	RIV	DEEP GROOVE BALL BEARINGS
  6203ZNR	17	40	12	SKF	DEEP GROOVE BALL BEARINGS
  FLRA0ZZA	.0469	.1562	.0937	NTN	DEEP GROOVE BALL BEARINGS
  NJ-444	220	540	115	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  5211E-ZZ	55	100	33.3	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  C2207V	35	72	23	CONSOLIDATED	TOROIDAL ROLLER BEARINGS