d - 30 mm

D - 72 mm

B - 19 mm

d₁ - - 44.6 mm

D₂ - - 61.88 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 37 mm

D_a - max. - 65 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 29.7 kN

Basic static load rating - C₀ - 21.6 kN

Fatigue load limit - P_u - 0.93 kN

Reference speed - 18000 r/min

Limiting speed - 11000 r/min

Calculation factor - k_r - 0.05

Mass bearing - 0.37 kg

• Model Number: 306
• Inner Diameter：72mm Outer Diameter：30mm Width：19mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:Medical printer,milling head plug,electrocardiograph,switch,hydraulic actuator,universal category,bathroom facilities,wall industry,safety testing,Medical equipment,small appliances
• Similar models:SKF 306-Z Timken 306KDD KBC BR3066HL1DDA2NSRXCX26G38 KOYO 306842A NACHI UC306 Timken 306KG NTN-SNR 6306N PFI PC30620027CS SNR EX306-19 NKE 6306-N
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  21075/21212	19.05	53,975	22,225	NSK	Tapered Roller Bearings
  230/710W33	710	1030	236	ISO	Spherical Roller Bearings
  231/670 KCW33+AH31/670	670	1090	336	CX	Spherical Roller Bearings
  31322-X-DF-A170-220	110	240	126	FAG	Tapered Roller Bearings
  3984/3925	66,675	112,712	30,162	Fersa	Tapered Roller Bearings
  4T-M88046/M88010	31.75	68,262	22,225	NTN	Tapered Roller Bearings
  AST11 WC20	18	36		AST	Plain Bearings
  GE30ES	30	47	22	ZEN	Plain Bearings
  K 55x60x30	55	60		NBS	Needle Roller Bearings
  K38X46X20	38	46	20	FBJ	Needle Roller Bearings
  KB16	16	26		INA	Linear Bearings
  KR 32 PPA	12	32	40	SKF	Cylindrical Roller Bearings
  NUP214 E	70	125	24	CX	Cylindrical Roller Bearings
  NUP319-E-MPA	95	200	45	NKE	Cylindrical Roller Bearings
  SS 6207-2RS	35	72	17	ISB	Deep Groove Ball Bearings
  KN050809			.5625	KAYDON	NEEDLE BEARINGS
  KBZ12OP	.7500	1.2500	1.6250	INA	LINEAR RECIRCULATING BALL BEARINGS
  01APPL	17	40	12	RIV	DEEP GROOVE BALL BEARINGS
  6011-ZNR	55	90	18	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SY-103	1.1875			CONSOLIDATED	PILLOW BLOCKS