d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

Weight - 0,038 Kg

Basic dynamic load rating (C) - 6,25 kN

Basic static load rating (C0) - 3,6 kN

(Grease) Lubrication Speed - 19890 r/min

(Oil) Lubrication Speed - 23400 r/min

• Model Number:61904
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-19
• Application:Vertical machining,printing equipment,extruder,Industrial,ventilation heating equipment,small diesel generators,sawing machine,Industrial Electromechanical,medical equipment,boring bar boring bar,Hairbrush device
• Similar models:NKE 61904-2RSR ISB 61904-2RZ ISB 61904 SKF W61904 CRAFT 61904ZZ ZEN SF61904-2Z ZEN S61904-2Z CX 61904ZZ ZEN F61904-2RS ISB SS61904-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 61904 products，there is large inventory of ISB 61904 . We has been built up long-term cooperation with ISB company, could make a bulk order of the 61904 Which ISB 61904 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
  1210-K	50	90	20	NKE	Self-Aligning Ball Bearings
  17118/17244	29,987	62	16,002	KOYO	Tapered Roller Bearings
  23172-2CS5K/VT143	360	600	192	SKF	Spherical Roller Bearings
  2304K	20	52	21	NACHI	Self-Aligning Ball Bearings
  23188 EKW33+AOHX3188	420	720	226	ISB	Spherical Roller Bearings
  6013Z	65	100	18	KOYO	Deep Groove Ball Bearings
  603-2RS	3	9	5	ISO	Deep Groove Ball Bearings
  677/672D+X1S-677	85,725	168,275	92,075	Timken	Tapered Roller Bearings
  7014UCG/GNP4	70	110	20	NTN	Angular Contact Ball Bearings
  7219-B	95	170	32	SIGMA	Angular Contact Ball Bearings
  B71915-C-2RSD-T-P4S	75	105	16	FAG	Angular Contact Ball Bearings
  E-CRO-10402	520	735	535	NTN	Tapered Roller Bearings
  GE160SX	160	240	51	Timken	Plain Bearings
  NU19/710	710	950	106	CX	Cylindrical Roller Bearings
  32056X	280	420	87	FAG	TAPERED ROLLER BEARINGS
  NANF209-27	1.6875			IPTCI	PILLOW BLOCKS
  W-1				FBC	THRUST BALL BEARINGS
  6019	95	145	24	SKF	DEEP GROOVE BALL BEARINGS
  A-258	.1250	.3125	.5000	CONSOLIDATED	LINEAR RECIRCULATING BALL BEARINGS
  NNTR-100-2RSX	100	240	105	CONSOLIDATED	YOKE TYPE TRACK ROLLER