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：2025-12-11
• Application:Processing machinery,Food testing,Machine tool accessories,electric pump,garbage disposal,training beds etc,wall industry,electromagnetic clutch,ship special,bathroom facilities,physical instruments
• Similar models:SNR 30228A SKF 30228T106J2/DB SKF 30228J2 Timken 30228 CRAFT 30228 SKF 30228J2/DFC100 CX 30228A ISB 30228 FAG 30228-XL KOYO 30228JR
• 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
  200127X/200215XG	127	215,9	110	Gamet	Tapered Roller Bearings
  2316-K-M-C3 + H2316	70	170	58	FAG	Self-Aligning Ball Bearings
  23284-MB-W33	420	760	272	NKE	Spherical Roller Bearings
  5212Z	60	110	36.5	NACHI	Angular Contact Ball Bearings
  4T-30208	40	80	19,75	NTN	Tapered Roller Bearings
  683/672-B	95,25	175,3		Timken	Tapered Roller Bearings
  71944 ACD/HCP4AL	300	220	38	SKF	Angular Contact Ball Bearings
  7215B	75	130	25	KOYO	Angular Contact Ball Bearings
  BK 4512	45	52	12	NBS	Needle Roller Bearings
  EE108065/108142	165,1	361,95	106,362	NSK	Cylindrical Roller Bearings
  HCB71917-E-T-P4S	85	120	18	FAG	Angular Contact Ball Bearings
  NCF 2964 V	440	320	72	SKF	Cylindrical Roller Bearings
  NU 2208 ECP	80	40	23	SKF	Thrust Ball Bearings
  NUP210EM	50	90	20	NSK	Cylindrical Roller Bearings
  R153.22				SNR	Wheel Bearings
  RF-1350	5	13	4	NMB	Deep Groove Ball Bearings
  UCFC217	85			NACHI	Bearing Units
  NJ321	105	225	49	STEYR	CYLINDRICAL ROLLER BEARINGS
  6072M	360	540	82	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  FT-40	2.9375	4.5937		CONSOLIDATED	THRUST BALL BEARINGS