d - 28 mm

D - 68 mm

T - 19.75 mm

B - 18 mm

C - 14 mm

a - 17.4 mm

r1 min. - 1.5 mm

r2 min. - 1.5 mm

r3 min. - 1.5 mm

r4 min. - 1.5 mm

Weight - 0.335 Kg

Basic dynamic load rating (C) - 52,5 kN

Basic static load rating (C0) - 53,5 kN

(Grease) Lubrication Speed - 5600 r/min

(Oil) Lubrication Speed - 7500 r/min

Calculation factor (e) - 0.52

Calculation factor (Y) - 1.2

Calculation factor (Y0) - 0.64

• Model Number:303/28C
• Inner Diameter：28mm Outer Diameter：68mm Width：19.75mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:electronic components,product accessories,vertical sawing machine,ventilation heating equipment,Broadcasting System,Medium and large motor,E Beauty,Liposuction device,meat products machine,pressure control valve,sleep monitoring
• Similar models:NTN 30330 KOYO 30305DJR KBC 30307J ISO 30326 Timken X30315M/Y30315M NACHI E30311J NSK 30334 FBJ 30307D NTN 430312U CRAFT 32303
• BEARING POWER International Trading Co.,Ltd. specialize in 303/28C products，there is large inventory of KBC 303/28C . We has been built up long-term cooperation with KBC company, could make a bulk order of the 303/28C Which KBC 303/28C 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
  17118/17244	29,987	62	16,002	KOYO	Tapered Roller Bearings
  239/670-K-MB-W33	670	900	170	NKE	Spherical Roller Bearings
  22338MBK	190	400	132	AST	Spherical Roller Bearings
  7015CDF	75	115	20	CYSD	Angular Contact Ball Bearings
  B10-65T1XDDGCM	10	26	10	NSK	Deep Groove Ball Bearings
  7205 CDF	25	52	30	ISO	Angular Contact Ball Bearings
  7309B	45	100	25	KBC	Angular Contact Ball Bearings
  ARR5FFN-1A	7,9375		7,9375	NMB	Spherical Roller Bearings
  BT1B 334018/HA5	1080	560	265	SKF	Tapered Roller Bearings
  HJ-364828	57,15	76,2	44,45	KOYO	Needle Roller Bearings
  N 315	75	160	37	ISB	Cylindrical Roller Bearings
  NJ 226	130	230	40	NACHI	Cylindrical Roller Bearings
  NJ206 EM6	30	62	16	AST	Cylindrical Roller Bearings
  NUP 238 E	190	340	55	NACHI	Cylindrical Roller Bearings
  NUP1056	280	420	65	NSK	Cylindrical Roller Bearings
  SR4A	6,35	19,05	5,55752	AST	Deep Groove Ball Bearings
  H3956	280	330		FAG	ADAPTERS
  6212K.2RS	60	110	22	FAG	DEEP GROOVE BALL BEARINGS
  D-35	4.3437	2.6250		INA	THRUST BALL BEARINGS
  71896MP	480	600	56	INA	ANGULAR CONTACT BALL BEARINGS