d - 55 mm

D - 120 mm

T - 31,5 mm

a - 25 mm

B - 29 mm

C - 25 mm

C_{a min} - 4 mm

C_{b min} - 6,5 mm

D_{a max} - 110 mm

D_{a min} - 104 mm

D_{b min} - 111 mm

d₁ - 84,7 mm

d_{a max} - 71 mm

d_{b min} - 65 mm

r_{1, 2 min} - 2,5 mm

r_{3, 4 min} - 2 mm

r_{a max} - 2,5 mm

r_{b max} - 2 mm

m - 1,8 kg / Weight

C_r - 151000 N

C_0r - 173000 N / Static load rating (radial)

e - 0,35

Y - 1,74

Y₀ - 0,96

C_ur - 20600 N / Fatigue limit load, radial

n_G - 6200 1/min / Limiting speed

n_B - 4500 1/min / Reference speed

Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

• Model Number: 30311-A
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:electromyography machine,aerial work platform,quality inspection equipment,hot and cold box,pump industry,wall industry,gantry processing,Sensors,car steering pin,Industrial Electromechanical,Vacuum generator
• Similar models:CRAFT 30311 FBJ 30311 NTN 4T-30311 NTN 4T-30311D KBC 30311DJ NSK HR30311J CX 30311A KOYO 30311CR ISB 30311 KOYO 30311JR
• BEARING POWER International Trading Co.,Ltd. specialize in 30311-A products，there is large inventory of FAG 30311-A . We has been built up long-term cooperation with FAG company, could make a bulk order of the 30311-A Which FAG 30311-A 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
  22211 KCW33+H311	55	100	25	ISO	Spherical Roller Bearings
  22264	320	580	150	ISB	Spherical Roller Bearings
  30220	100	180	37	FBJ	Tapered Roller Bearings
  6024	120	180	28	NACHI	Deep Groove Ball Bearings
  6306-RZ	30	72	19	ISB	Deep Groove Ball Bearings
  6326ZZ	130	280	58	NACHI	Deep Groove Ball Bearings
  7004 CD/P4A	42	20	12	SKF	Angular Contact Ball Bearings
  7202 BEP	35	15	11	SKF	Angular Contact Ball Bearings
  BB1M30-362525A	30	58	16	SKF	Deep Groove Ball Bearings
  GX60S	60	150	45	LS	Plain Bearings
  HH953749/HH953710D+HH953749XA	254	533,4	276,225	Timken	Tapered Roller Bearings
  K25X29X17	25	29		INA	Needle Roller Bearings
  N340EM	200,000	420,000	80,000	SNR	Cylindrical Roller Bearings
  Z-522933.04.DRGL	260	680	218	FAG	Spherical Roller Bearings
  1316	80	170	39	FED	DEEP GROOVE BALL BEARINGS
  7602130TVP	130	230	40	FAG	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  LJT75	75	130	25	R&M	ANGULAR CONTACT BALL BEARINGS
  RNA2206.2RS.DZ	62		19.8	Torrington	NEEDLE BEARINGS
  F-693	3	8	3	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  K-42x47x25	42	47	25	CONSOLIDATED	NEEDLE BEARINGS