(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 85.0000

Width (B) - 25.0000

Dynamic Load Rating (Cr) - 60,000

Static Load Rating (Cor) - 108,000

Max Speed (Oil) (X1000 RPM) - 7,000

Shaft (Fw) - 68.000

Weight (g) - 275.00

Material - 52100 Chrome steel, or equivalent

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available with either a single seal or two seals.

• Model Number:RNA4912
• Inner Diameter：68mm Outer Diameter：85mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-24
• Application:surgical instruments,Cylinder Type,thin metal materials,Other machinery,vacuum filter,joint protection,reducer,Material handling equipment,tower crane,Water Monitoring,Traffic Fire Protection Equipment Security equipment
• Similar models:CX RNA4912 ISO NA4912 IKO NA4912UU NSK NA4912 AST RNA4912 INA NA4912 SKF RNA4912 INA RNA4912-XL KOYO 43BTM4912A NBS RNA4912
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4912 products，there is large inventory of AST RNA4912 . We has been built up long-term cooperation with AST company, could make a bulk order of the RNA4912 Which AST RNA4912 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
  3312	60	130	54	ISO	Angular Contact Ball Bearings
  562928/GNP4	140	190	60	NTN	Thrust Ball Bearings
  6222ZZ	110	200	38	NTN	Deep Groove Ball Bearings
  BS2-2214-2RS/VT143	125	70	38	SKF	Spherical Roller Bearings
  C 3040 K + AH 3040 G	310	190	102	SKF	Cylindrical Roller Bearings
  DC4936VW	180	250	69	KOYO	Cylindrical Roller Bearings
  GEH530HF/Q	530	750	375	LS	Plain Bearings
  N1013RSZTPKR	65	91	18	NSK	Cylindrical Roller Bearings
  NCF1880V	400	475,7	46	NSK	Cylindrical Roller Bearings
  NU 314 ECM/C3VL0241	150	70	35	SKF	Cylindrical Roller Bearings
  NU5222	110	200	69,85	CX	Cylindrical Roller Bearings
  NUP 310	50	110	27	NACHI	Cylindrical Roller Bearings
  QJ304-MPA	20	52	15	FAG	Angular Contact Ball Bearings
  R166	4,762	9,525	3,175	NTN	Deep Groove Ball Bearings
  TME65-214	65			INA	Bearing Units
  9164K	320	480	74	FAF	DEEP GROOVE BALL BEARINGS
  L15RA412	4.7500	5.3750	.3125	FAG	ANGULAR CONTACT BALL BEARINGS
  T7FC080	80	160	41	FAG	TAPERED ROLLER BEARINGS
  1213E	65	120	23	MRC	SELF
  F4-10M	4	10	4	CONSOLIDATED	THRUST BALL BEARINGS