d - 30 mm

D - 72 mm

B - 19 mm

d₁ - - 44.6 mm

D₂ - - 61.88 mm

D₃ - 68.81 mm

D₄ - 78.6 mm

b - 1.9 mm

C - 3.28 mm

f - 1.7 mm

r₀ - 0.6 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 37 mm

d_a - max. - 44.5 mm

D_a - max. - 65 mm

D_b - min. - 80 mm

b_a - min. - 2.2 mm

C_a - max. - 4.98 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 minimum radial load - k_r - 0.05

Mass bearing - 0.37 kg

Snap ring - SP 72

• Model Number: 306-ZNR
• Inner Diameter：72mm Outer Diameter：30mm Width：19mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Cutting Machine,rehabilitation training equipment,Broadcasting System,rock drilling machinery,hydraulic pump,Seals,ventilation fans,shoe-making machinery,stacker lift platform,vertical processing,medical treatment
• Similar models:Fersa 6306 NKE 6306-2Z-N CX 6306-2RS CX 63306-2RS NACHI UC306 CX 62306-2RS CYSD 4306 FAG 62306-2RSR SKF 1726306-2RS1 SNR UK306+H-15
• BEARING POWER International Trading Co.,Ltd. specialize in 306-ZNR products，there is large inventory of SKF 306-ZNR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 306-ZNR Which SKF 306-ZNR 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
  22238 KW33	190	340	92	ISO	Spherical Roller Bearings
  23292E	460	830	296	NACHI	Cylindrical Roller Bearings
  3215-B-TV	75	130	41,3	NKE	Angular Contact Ball Bearings
  3876/3821	38,1		30,162	KOYO	Tapered Roller Bearings
  7018CDB	90	140	24	CYSD	Angular Contact Ball Bearings
  7317BDF	85	180	41	NACHI	Angular Contact Ball Bearings
  EC6002DD	15	32	9	KBC	Deep Groove Ball Bearings
  FYRP 3 15/16-18	100,012	152,4	206,375	SKF	Bearing Units
  N 304	20	44.5	15	NACHI	Cylindrical Roller Bearings
  NU 2234 ECML	310	170	86	SKF	Thrust Ball Bearings
  NUP224	120	215	40	KOYO	Cylindrical Roller Bearings
  RB 20025	200	260	25	ISB	Thrust Roller Bearings
  RHE30	30			INA	Bearing Units
  SA20T/K	20			CRAFT	Plain Bearings
  SS 6304-ZZ	20	52	15	ISB	Deep Groove Ball Bearings
  TRI 304830	30	48	30,5	IKO	Needle Roller Bearings
  32203A	17	40	16	FAG	TAPERED ROLLER BEARINGS
  811/560			34	SKF	THRUST ROLLER BEARINGS
  K-145x153x26	145	153	26	CONSOLIDATED	NEEDLE BEARINGS
  22217	85	150	36	CONSOLIDATED	SPHERICAL ROLLER BEARINGS