d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 20 mm

a - 23,8 mm

r min. - 2 mm

r2 min. - 1,5 mm

da min. - 50 mm

da max - 53 mm

Da min - 72 mm

Da max. - 80 mm

Db min. - 84 mm

ra max. - 2 mm

rb max. - 1,5 mm

Weight - 0,78 Kg

Basic dynamic load rating (C) - 87,3 kN

Basic static load rating (C0) - 98,5 kN

(Grease) Lubrication Speed - 4600 r/min

(Oil) Lubrication Speed - 6100 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

• Model Number: 30308XR
• Inner Diameter：40mm Outer Diameter：90mm Width：25,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:car and accessories,lifting tackle,electromagnet,food packaging,ship special,medical equipment,food sterilization,Water Monitoring,education model Instruments,gear type,packaging materials
• Similar models:NTN 30308 NTN 4T-430308 NTN 4T-30308D Timken X30308M/Y30308M KOYO 30308XR SNR 30308A CRAFT 30308 ISO 30308 KBC 30308J NTN 430308U
• BEARING POWER International Trading Co.,Ltd. specialize in 30308XR products，there is large inventory of KOYO 30308XR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30308XR Which KOYO 30308XR 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
  22328A2X	140	300	102	NACHI	Cylindrical Roller Bearings
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  24780/24720	41,275	76,2	22,225	AST	Tapered Roller Bearings
  33114	70	120	37	FBJ	Tapered Roller Bearings
  609-2RD	9	24	7	KOYO	Deep Groove Ball Bearings
  628/9-2RS1	9	17	5	SKF	Deep Groove Ball Bearings
  7910DB	50	72	12	CYSD	Angular Contact Ball Bearings
  FYRP 2 3/4	69,85	111,125	161,925	SKF	Bearing Units
  K28x35x16	28	35	16	ISO	Needle Roller Bearings
  J-45	6,35	11,112	7,92	NSK	Needle Roller Bearings
  LM78349/LM78310C	34,988	61,973	18	FBJ	Tapered Roller Bearings
  NJ221 M	105	190	36	AST	Cylindrical Roller Bearings
  NN 3084 K/SPW33	420	620	150	ISB	Cylindrical Roller Bearings
  NNU 4938 BK/SPW33	190	260	69	SKF	Cylindrical Roller Bearings
  SL04200-PP	200	270	80	NBS	Cylindrical Roller Bearings
  UC205-16-3L	25,4	52	34,1	PFI	Deep Groove Ball Bearings
  UCECH204	20		31	NACHI	Bearing Units
  XLS-71/4-RR	7.2500	9.7500	1.2500	FED	DEEP GROOVE BALL BEARINGS
  HM-3148+MS-3144	9	Tr 240x4	20	SKF	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  NF313E	65	140	33	SKF	CYLINDRICAL ROLLER BEARINGS