d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

a - 25 mm

r1 min. - 2,5 mm

r2 min. - 2 mm

da max - 67 mm

Da min - 103 mm

Da max. - 110 mm

db min - 65 mm

Db min. - 111 mm

ra max. - 2 mm

Weight - 1,71 Kg

Basic dynamic load rating (C) - 150 kN

Basic static load rating (C0) - 170 kN

(Grease) Lubrication Speed - 3 300 r/min

(Oil) Lubrication Speed - 4 500 r/min

Calculation factor (e) - 0,35

Calculation factor (Y) - 1,7

Calculation factor (Y0) - 1

• Model Number: 30311A
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-04-19
• Application:air conditioning tools,car instrument,tube,surgical instruments,Display Devices,Machine Tool Accessories,E Beauty,Equipment,medical equipment,blood cell reagent,heating fans
• Similar models:KOYO 46T30311JR/57 Timken 30311 NACHI E30311DJ NTN 4T-30311D NTN 30311 KOYO 30311JR NTN 30311D KOYO 30311DJR NKE 30311 ISO 30311
• BEARING POWER International Trading Co.,Ltd. specialize in 30311A products，there is large inventory of ZVL 30311A . We has been built up long-term cooperation with ZVL company, could make a bulk order of the 30311A Which ZVL 30311A 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
  16003-ZZ	17	35	8	ISB	Deep Groove Ball Bearings
  1780/1729	25,4	56,896	19,368	Fersa	Tapered Roller Bearings
  385/382	55	98,425	21	Timken	Tapered Roller Bearings
  4T-M224749/M224710D+A	120,65	174,625	77,788	NTN	Tapered Roller Bearings
  627ZZ	7	22	7	CRAFT	Deep Groove Ball Bearings
  7220 B-UX	100	180	68	CX	Angular Contact Ball Bearings
  NN3032KC1NAP5	160	240	60	NTN	Cylindrical Roller Bearings
  M-18121	28,575	34,925	19,05	NSK	Needle Roller Bearings
  UCFC214	70			CX	Bearing Units
  S608W6	8	22	6	ZEN	Deep Groove Ball Bearings
  VEB 35 /NS 7CE1	35	55	10	SNFA	Angular Contact Ball Bearings
  7092MP.UA	460	680	100	FAG	ANGULAR CONTACT BALL BEARINGS
  NU311	55	120	29	FAG	CYLINDRICAL ROLLER BEARINGS
  HML77T			37	FAG	WITHDRAWAL NUTS
  3210B.2ZR	50	90	30.2	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  UCF210-31S6PL	1.9375			FYH	THERMOPLASTIC PILLOW BLOCKS
  7512DLG	.7500	1.7500	.6250	NICE	DEEP GROOVE BALL BEARINGS
  FPXF1600	16.0000	17.5000	.7500	SKF	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  206	62	30	16	NH	DEEP GROOVE BALL BEARINGS
  IR-90x105x63	90		63	CONSOLIDATED	NEEDLE BEARINGS