d - 20 mm

D - 52 mm

B - 15 mm

d₁ - - 30.35 mm

D₂ - - 44.71 mm

D₃ - 49.73 mm

D₄ - 57.9 mm

b - 1.35 mm

C - 2.46 mm

f - 1.12 mm

r₀ - 0.4 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 27 mm

D_a - max. - 45 mm

D_b - min. - 59 mm

b_a - min. - 1.5 mm

C_a - max. - 3.58 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 16.8 kN

Basic static load rating - C₀ - 7.8 kN

Fatigue load limit - P_u - 0.335 kN

Reference speed - 30000 r/min

Limiting speed - 19000 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 12

Mass bearing - 0.149 kg

Snap ring - SP 52

• Model Number: 6304 NR
• Inner Diameter：52mm Outer Diameter：20mm Width：15mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:medical equipment,chuck industry,Vertical machining,Laser Measurements,pneumatic,Dental Equipment,leather processing,sucker industry,filter paper products,Processing machinery,Pump
• Similar models:FAG 6304-2Z CRAFT 6304 SKF 6304-2Z NTN AC-6304 Fersa 6304B12D56 NSK 6304ZZ KOYO 6304R NTN 6304ZZN SKF 6304N KOYO 6304
• BEARING POWER International Trading Co.,Ltd. specialize in 6304NR products，there is large inventory of SKF 6304 NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6304 NR Which SKF 6304NR 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
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  25590/25528	45,618	92,075	23,812	Timken	Tapered Roller Bearings
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  47679/47620	76,2	133,35	33,338	CX	Tapered Roller Bearings
  5024				Ruville	Wheel Bearings
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  CX418				CX	Wheel Bearings
  CX506				CX	Wheel Bearings
  E5008NR	40	68	38	NACHI	Cylindrical Roller Bearings
  H715340/H715311	65,088	136,525	46,038	KOYO	Tapered Roller Bearings
  K47X55X28FV1	47	53		KOYO	Needle Roller Bearings
  LMEF12UU	12	22		Samick	Linear Bearings
  NU 318 ECM	190	90	43	SKF	Thrust Ball Bearings
  T-E-LM654644D/LM654610/LM654610D	279,578	380,898	244,475	NTN	Tapered Roller Bearings
  112A	60	105	12	FAF	DEEP GROOVE BALL BEARINGS
  MUC164	320	500	71	Rollway	CYLINDRICAL ROLLER BEARINGS
  LJ-3/4-2RS	.7500	1.8750	.5625	RHP	DEEP GROOVE BALL BEARINGS
  93644	1.1250	1.5000	2.7500	RBC	JOURNAL ROLLER ASSEMBLIES
  QJ-304	20	52	15	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  33017	85	130	36	CONSOLIDATED	TAPERED ROLLER BEARINGS