d - 140 mm

D - 250 mm

T - 45,75 mm

B - 42 mm

C - 36 mm

a - 49,4 mm

r min. - 4 mm

r2 min. - 3 mm

da min. - 158 mm

da max - 163 mm

Da min - 219 mm

Da max. - 236 mm

Db min. - 237 mm

ra max. - 3 mm

rb max. - 2,5 mm

Weight - 8,97 Kg

Basic dynamic load rating (C) - 420 kN

Basic static load rating (C0) - 570 kN

(Grease) Lubrication Speed - 1500 r/min

(Oil) Lubrication Speed - 1900 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,76

Calculation factor (Y1) - 1,38

• Model Number: 30228JR
• Inner Diameter：140mm Outer Diameter：250mm Width：45,75mm
• Type：Tapered Roller Bearings
• Update date：2025-04-22
• Application:gantry processing,Vertical machining,hinge industry,hydraulic pressure gauge,Industry,electronic materials,survey accessories,metering pump,gear type,Spectrum Products,security equipment
• Similar models:CYSD 30228 Timken X30228/Y30228 SKF 30228J2 FAG 30228-A CRAFT 30228 KOYO 30228JR CX 30228A FBJ 30228 NTN 430228XU Timken 30228
• BEARING POWER International Trading Co.,Ltd. specialize in 30228JR products，there is large inventory of KOYO 30228JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30228JR Which KOYO 30228JR 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
  184120/184199P	120	199	95,3	Gamet	Tapered Roller Bearings
  2319 KM	200	95	67	SKF	Self-Aligning Ball Bearings
  3302-2RS	15	42	19	CX	Angular Contact Ball Bearings
  EE231462/231975	371,475	501,65	74,613	KOYO	Tapered Roller Bearings
  KLNJ1/4-2RS	6,35	19,05	7,14375	RHP	Deep Groove Ball Bearings
  NA4903R	17	30	13	NTN	Needle Roller Bearings
  NK37/20	37	47	20	INA	Needle Roller Bearings
  NN4948C1NAP4	240	320	80	NTN	Cylindrical Roller Bearings
  NU2309	45	100	36	KOYO	Cylindrical Roller Bearings
  NU29/1000	1000	1320	185	CX	Cylindrical Roller Bearings
  SAB38	39	68	37	FAG	Angular Contact Ball Bearings
  UCP314-44	69,85		78	KOYO	Bearing Units
  UCPX17-55	87,3125		96	FYH	Bearing Units
  UCT309	45			CX	Bearing Units
  1803SZZ	17	26	5	MRC	DEEP GROOVE BALL BEARINGS
  6312NR	60	130	31	SKF	DEEP GROOVE BALL BEARINGS
  NF334	170	360	72	SKF	CYLINDRICAL ROLLER BEARINGS
  307P	35	80	21	NH	DEEP GROOVE BALL BEARINGS
  KF-400ARO	40.0000	41.5000	.7500	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  HMLL-100T			37	CONSOLIDATED	WITHDRAWAL NUTS