d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

R - 2,5 mm

r - 2 mm

a - -6,9 mm

Da - 112 mm

db - 68 mm

da - 63 mm

Db - 107 mm

Aa - 2,3 mm

Ab - 3,8 mm

Weight - 1,62 Kg

Basic static load rating (C0) - 172 kN

Factor (G1) - 58,4

Factor (G2) - 18,4

Factor (Cg) - 0,0154

Factor (K) - 1,69

Basic dynamic load rating (C90) - 38,8

Basic dynamic load rating (Ca90) - 22,9

Basic dynamic load rating (C1) - 150 kN

Calculation factor (e) - 0,35

Calculation factor (Y) - 1,74

• Model Number:X30311/Y30311
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:air purification,Dental Equipment,medical equipment,Machine Tool Accessories,Small air generators,Workpiece,construction machinery and equipment,Control,Textile Industry Accessories and Accessories,coal mill,switch
• Similar models:ISO 30311 SNR 30311A KBC 30311DJ SKF 30311J2/Q KOYO 46T30311JR/57 Fersa 30311F NTN 430311XU FBJ 30311 NTN 4T-30311 CYSD 30311
• BEARING POWER International Trading Co.,Ltd. specialize in X30311/Y30311 products，there is large inventory of Timken X30311/Y30311 . We has been built up long-term cooperation with Timken company, could make a bulk order of the X30311/Y30311 Which Timken X30311/Y30311 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.

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  22334 KCW33+AH2334	170	360	120	CX	Spherical Roller Bearings
  2878/2820		73,025		KOYO	Tapered Roller Bearings
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  7003 ACE/P4AH	35	17	10	SKF	Angular Contact Ball Bearings
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  JH-78	11,113	17,463	12,7	Timken	Needle Roller Bearings
  JH217249/JH217210	85	150	46	Timken	Tapered Roller Bearings
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  LMHM6	6	12		Samick	Linear Bearings
  RNA4936	205	250	69	ISO	Needle Roller Bearings
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  140448	.8750	1.3750	3.0000	BAL	JOURNAL ROLLER ASSEMBLIES
  GE-180UK.2RS	180	260	105	FAG	SPHERICAL PLAIN BEARINGS
  H2309	45	65		STEYR	ADAPTERS
  NUP2220E	100	180	46	STEYR	CYLINDRICAL ROLLER BEARINGS
  6056	280	420	65	STEYR	DEEP GROOVE BALL BEARINGS