(dimensions in inches)

Bearing Type - Full Complement

Dynamic Load Rating (Cr) - 5,500

Static Load Rating (Cor) - 9,700

Max Speed (Grease) (X1000 RPM) - 2,700

Tire Outer Dia. (Dt) - 1.750

Stud Dia. (ds) - 0.750

Tire Width (C) - 1.000

Tire Washer Width (C1) - 0.031

Total Length (B) - 2.780

Stud Length (B1) - 1.750

Threads (G) - 3/4-16 UNF

Thread Length (G1) - 0.875

Weight (g) - 375.00

Material - Stud and Roller head: Hardened carbon steel alloy, Needle rollers - 52100 Chrome steel or equivalent

Standard finish is black oxide.

The stud has a screwdriver slot or hexagonal hole for mounting.

Some sizes are available with crowned outer race tires.

Some sizes are available with integral seals.

The load rating is based on a track hardness of HRc40 minimum.

The stud has an axially drilled hole for lubrication.

• Model Number:CF28
• Inner Diameter：mm Outer Diameter：mm Width：mm
• Type：Needle Roller Bearings
• Update date：2025-12-11
• Application:internal combustion engine,E Beauty,spectrometer,Cutting Machine,chromatography,Workpiece,Hydraulic Press,Equipment,rock drilling machinery,trolley,bio-chemical
• Similar models:IKO KT284138 NSK FWF-283417 NBS NAO12x28x12 FBJ K28X33X17 NTN MR405228+MI-324028 NTN MR486028+MI-404828 NTN MR283716+MI-222816 AST NCS2820 INA SCE128PP KOYO MJ-2281
• BEARING POWER International Trading Co.,Ltd. specialize in CF28 products，there is large inventory of AST CF28 . We has been built up long-term cooperation with AST company, could make a bulk order of the CF28 Which AST CF28 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
  31330X	150	320	82	NTN	Tapered Roller Bearings
  3200-2RS	10	30	14	ISO	Angular Contact Ball Bearings
  33018	90	140	39	ISB	Tapered Roller Bearings
  AX 3,5 70 95	70	95	3,5	Timken	Needle Roller Bearings
  42376/42584	95,25	148,43	28,575	Timken	Tapered Roller Bearings
  4T-576/572	73,025	139,992	36,512	NTN	Tapered Roller Bearings
  51234	170	237		CX	Thrust Ball Bearings
  52213	65	100	47	NACHI	Thrust Ball Bearings
  7205CDTP5	25	52	30	NTN	Angular Contact Ball Bearings
  LJ1.3/8-2RS	34,925	76,2	17,4625	RHP	Deep Groove Ball Bearings
  LME50UUAJ	50	75	77,6	Samick	Linear Bearings
  NU 2315	75	160	55	SIGMA	Cylindrical Roller Bearings
  NU29/1000	1000	1320	185	TMB	Cylindrical Roller Bearings
  PME35-N	35			NKE	Bearing Units
  TAPR 704 DO	25			ISB	Plain Bearings
  NUP217	85	150	28	SKF	CYLINDRICAL ROLLER BEARINGS
  22310CC	50	110	40	SKF	SPHERICAL ROLLER BEARINGS
  MRJ11/2	1.5000	3.7500	.9375	RHP	CYLINDRICAL ROLLER BEARINGS
  MJ-1/4	.2500	1.3125	.5625	RHP	DEEP GROOVE BALL BEARINGS
  I-71218	62	1.1250	16	CONSOLIDATED	SELF