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：2025-04-24
• Application:PVC,Antenna Potentials,medical Equipment,Control,noise reduction equipment,metal mold,Antenna Industry,Switch,tapping machine,stamping die and its equipment,organic raw materials
• Similar models:NTN 30319U FBJ 30317 NSK 30319CA NSK 30336 NSK HR30332J NTN 30306D NTN 430317XU NTN 30318DU NACHI 30330 ISO 30307
• 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
  2906	30	50	14	FBJ	Thrust Ball Bearings
  39581/39520	57,15	112,712	30,162	ISO	Tapered Roller Bearings
  3NCHAR008	40	68	15	KOYO	Angular Contact Ball Bearings
  6326	130	280	58	ISO	Deep Groove Ball Bearings
  AST20 16060	160	165		AST	Plain Bearings
  7301DB	12	37	12	NACHI	Angular Contact Ball Bearings
  AB44203S01	26	64	16	SNR	Deep Groove Ball Bearings
  CSXU075-2RS	190,5	209,55	12,7	INA	Deep Groove Ball Bearings
  BT2B445539CC	25	52	37	SKF	Tapered Roller Bearings
  E 217 /S 7CE1	17	40	12	SNFA	Angular Contact Ball Bearings
  KGC055	139,7	190,5	25,4	KOYO	Deep Groove Ball Bearings
  KGHK20-B-PP-AS	20			INA	Bearing Units
  LME16L	16	26	49,8	Samick	Linear Bearings
  PCJY12	12			NKE	Bearing Units
  NJ211E	55	100	21	FAG	CYLINDRICAL ROLLER BEARINGS
  MJ-11/8-2Z	1.1250	2.8125	.8125	RHP	DEEP GROOVE BALL BEARINGS
  MCF-72S	24	72	29	McGill	NEEDLE BEARINGS
  NPL-36	2.2500			Sealmaster	PILLOW BLOCKS
  3411	55	140	33	New Departure	DEEP GROOVE BALL BEARINGS
  SS692-ZZ	2	6	3	CONSOLIDATED	DEEP GROOVE BALL BEARINGS