d - 28 mm

D - 68 mm

T - 19,75 mm

B - 18 mm

C - 15 mm

a - 14,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 39 mm

Da min - 58 mm

Da max. - 59 mm

db max. - 37 mm

Db min. - 61 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,341 Kg

Basic dynamic load rating (C) - 55 kN

Basic static load rating (C0) - 55,5 kN

(Grease) Lubrication Speed - 6000 r/min

(Oil) Lubrication Speed - 8000 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,1

Calculation factor (Y1) - 1,9

• Model Number:HR303/28
• Inner Diameter：28mm Outer Diameter：68mm Width：19,75mm
• Type：Tapered Roller Bearings
• Update date：2023-03-09
• Application:Cutting Machine,building decoration raw materials and accessories,ECG,Anti-defibrillation pacing,Industrial,DC generators,pump accessories,rock drilling machinery,cooling system,car instrument,Logistics Equipment
• Similar models:ISB 30326 CX 30314A NACHI 30344 NTN 413038 ZVL 30315A NSK HR30332J CYSD 30315 FAG 32303-A NTN 30330 NKE 30312
• BEARING POWER International Trading Co.,Ltd. specialize in HR303/28 products，there is large inventory of NSK HR303/28 . We has been built up long-term cooperation with NSK company, could make a bulk order of the HR303/28 Which NSK HR303/28 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
  231/630E	630	1030	315	NACHI	Cylindrical Roller Bearings
  23122RH	110	180	56	KOYO	Spherical Roller Bearings
  580779A.J42B	89,974	146,975	40	FAG	Tapered Roller Bearings
  61892-MA	460	580	56	NKE	Deep Groove Ball Bearings
  7204 C	20	47	14	CX	Angular Contact Ball Bearings
  FC12180S04	25	52	43	SNR	Tapered Roller Bearings
  GE 18 PW	18	35	23	INA	Plain Bearings
  K9×12×10T2	9	12		NTN	Needle Roller Bearings
  NAXK20Z	20	30		KOYO	Complex Bearings
  NNC4940 V	200	280	80	CX	Cylindrical Roller Bearings
  RF-725ZZ	2,5	7	3,5	NMB	Deep Groove Ball Bearings
  SCH2020-PP	31,75	41,275	31,75	INA	Needle Roller Bearings
  SCV 16 AS	16			NBS	Linear Bearings
  SF2907	143,000	175,000	16,000	NTN	Angular Contact Ball Bearings
  UCPX12	60		65,1	FYH	Bearing Units
  KD200CPO	20.0000	21.0000	.5000	KAYDON	DEEP GROOVE BALL BEARINGS
  51100				SNR	THRUST BALL BEARINGS
  3818-2RS	90	115	19	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  NUP-421	105	260	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RNA-2203-2RS	40		15.8	CONSOLIDATED	NEEDLE BEARINGS