d2 - 30 mm

D - 78 mm

T1 - 54 mm

T2 - 33 mm

d3 - 78 mm

r min. - 1 mm

r1 min. - 0.6 mm

A - 23.5 mm

B - 12 mm

C - 8.5 mm

D1 - 42 mm

R - 64 mm

da min. - 40 mm

Da max. - 60 mm

ra max. - 1 mm

rb max. - 0.6 mm

Weight - 1.06 Kg

Basic dynamic load rating (C) - 69.3 kN

Basic static load rating (C0) - 135 kN

(Grease) Lubrication Speed - 2100 r/min

(Oil) Lubrication Speed - 3300 r/min

• Model Number: 54308
• Inner Diameter：30mm Outer Diameter：78mm Width：54mm
• Type：Thrust Ball Bearings
• Update date：2025-12-17
• Application:boring bar boring bar,DC generators,trolley,Pneumatic Control Valves,animal,Body shaping,non-motor vehicle Electric car,leather processing,Cylinder Standard,universal category,security equipment
• Similar models:KOYO 54308U NACHI 54308U NKE 54308 ISO 54308U+U308 CX 54308 NSK 54308U CX 54308U+U308 KOYO 54308 NKE 54308+U308 ISB 54308U308
• BEARING POWER International Trading Co.,Ltd. specialize in 54308 products，there is large inventory of KOYO 54308 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 54308 Which KOYO 54308 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
  24028W33	140	210	69	ISO	Spherical Roller Bearings
  3308 A	90	40	36,5	SKF	Angular Contact Ball Bearings
  6004DD	20	42	12	KBC	Deep Groove Ball Bearings
  6010Z	50,000	80,000	16,000	NTN-SNR	Deep Groove Ball Bearings
  61804	20	32	7	FAG	Deep Groove Ball Bearings
  6844-RS	220	270	24	CYSD	Deep Groove Ball Bearings
  7200 B-UX	10	30	18	CX	Angular Contact Ball Bearings
  BAM 1414	22,225	28,575	22,22	IKO	Needle Roller Bearings
  GAC60T	60	95	23	LS	Plain Bearings
  K 4x7x7 TN	4	7		NBS	Needle Roller Bearings
  K81207-TV	35	62	7,5	INA	Thrust Roller Bearings
  M 88048/2/010/2/QCL7C	68,262	33,338	22,225	SKF	Tapered Roller Bearings
  NNF5036X V	180	240	80	CX	Cylindrical Roller Bearings
  YRT 150	150	240	40	ISB	Thrust Roller Bearings
  RNAO14x26x12	26		12	FAG	NEEDLE BEARINGS
  GE12UK	12	22	10	ELGES	SPHERICAL PLAIN BEARINGS
  RNA4926	180		50	FAG	NEEDLE BEARINGS
  22356CC	280	580	175	SKF	SPHERICAL ROLLER BEARINGS
  NUP2248	240	440	120	STEYR	CYLINDRICAL ROLLER BEARINGS
  HJ-405228-2RS			1.7500	Torrington	NEEDLE BEARINGS