d - 0,787 inch

d - 20 mm

D - 1,457 inch

D - 37 mm

T - 0,472 inch

T - 12 mm

D₁ - 20,193 mm

D₁ - 0,795 inch

m - 0,121 lbs / Weight

m - 0,055 kg / Weight

C_a - 3350 lbf / Dynamic load rating (axial)

C_a - 14900 N / Dynamic load rating (axial)

C_0a - 5960 lbf / Static load rating (axial)

C_0a - 26500 N / Static load rating (axial)

n_G - 7500 1/min / Limiting speed

• Model Number: 2904
• Inner Diameter：20mm Outer Diameter：37mm Width：12mm
• Type：Thrust Ball Bearings
• Update date：2025-12-15
• Application:Antenna Potentials,medical equipment,gear grinding machine,power tools,decoration machinery,journal lathe,air conditioning tools,injection molding machine,Security Equipment,rolling machine,container finishing
• Similar models:INA 2904 FBJ 2904 NACHI 2904,5 INA 2904-1/2 NACHI 29041/2 NACHI 2904 FBJ 2904-1/2
• BEARING POWER International Trading Co.,Ltd. specialize in 2904 products，there is large inventory of INA 2904 . We has been built up long-term cooperation with INA company, could make a bulk order of the 2904 Which INA 2904 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
  1215	75	130	25	NACHI	Self-Aligning Ball Bearings
  1217	85,000	150,000	28,000	SNR	Self-Aligning Ball Bearings
  30311	55	120	31,5	Timken	Tapered Roller Bearings
  30328	140	300	67,75	CRAFT	Tapered Roller Bearings
  6605				Ruville	Wheel Bearings
  7024 ACD/HCP4A	180	120	28	SKF	Angular Contact Ball Bearings
  AST650 202840	20	28		AST	Plain Bearings
  BK 1522	15	21	22	NBS	Needle Roller Bearings
  BRI 122412	19.05	38,1	19,3	IKO	Needle Roller Bearings
  HM813841/HM813810	60,325	127	36,512	Fersa	Tapered Roller Bearings
  L102849/L102810B	44,45	73,025	18,258	Timken	Tapered Roller Bearings
  LBBR 5-2LS	5	10	15	SKF	Linear Bearings
  NF 406	30	73		NACHI	Cylindrical Roller Bearings
  NJ424	120	310	72	KOYO	Cylindrical Roller Bearings
  Z-565679.ZL-K-C5	480	700	165	FAG	Cylindrical Roller Bearings
  415K	75	190	45	FAF	DEEP GROOVE BALL BEARINGS
  G-49	4.0000	6.0000		Aetna	THRUST BALL BEARINGS
  AH3240	200	190		SKF	WITHDRAWAL SLEEVES
  62306-2RS1	30	72	27	SKF	DEEP GROOVE BALL BEARINGS
  NJ248	240	440	72	SKF	CYLINDRICAL ROLLER BEARINGS