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. - 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 NR
• Inner Diameter：72mm Outer Diameter：30mm Width：19mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:other mold,food add,generator,Other Machine Tools,building decoration raw materials and accessories,Generator,education model Instruments,electromyography machine,medical equipment,industry test,Small air generators
• Similar models:KBC BR3066THLDD ISO 62306-2RS NTN AC-6306ZZ KOYO 306841 KOYO DG306725W2RSC4 SKF 6306/HR11QN Timken 306W KOYO 6306 SNR EX306 NTN 6306CX34LLUA4XNX#09
• BEARING POWER International Trading Co.,Ltd. specialize in 306NR products，there is large inventory of SKF 306 NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 306 NR Which SKF 306NR 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
  220FS320	220	320	100	Timken	Plain Bearings
  23122-E1-K-TVPB + H3122	100	180	56	FAG	Spherical Roller Bearings
  29422E	110	230	34,7	SKF	Thrust Roller Bearings
  46780/46720CD+X2S-46780	158,75	225,425	85,725	Timken	Tapered Roller Bearings
  6203/12-2RS	12	40	12	Fersa	Deep Groove Ball Bearings
  65390/65320/QCL7C	114,3	49,212	44,45	SKF	Tapered Roller Bearings
  F16088	42	80	45	Fersa	Angular Contact Ball Bearings
  L-730ZZ	3	7	3	NMB	Deep Groove Ball Bearings
  N 222	110	178.5	38	NACHI	Cylindrical Roller Bearings
  NJ 220 ECP	180	100	34	SKF	Thrust Ball Bearings
  NNC4940-V	200	280	80	NKE	Cylindrical Roller Bearings
  NP 1052	260	364		NACHI	Cylindrical Roller Bearings
  RNAFW253732	25	37	32	NSK	Needle Roller Bearings
  SDM16	16	28	26,5	KOYO	Linear Bearings
  UCFCX17E	85			FYH	Bearing Units
  NA4900.2RSR	10	22	13	FAG	NEEDLE BEARINGS
  ER-214	4.9213	70	1.3750	Sealmaster	BALL BEARING
  STO30	30	62	20	Torrington	NEEDLE BEARINGS
  6303	17	47	14	SKF	DEEP GROOVE BALL BEARINGS
  61901/13-ZZ	13	24	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS