China Manufacturer OEM High Precision Roller Bearing 31311 for Water Pump

• Customization: Available
• Rolling Body: Roller Bearings
• The Number of Rows: Single
• Model NO.: 31311
• Material: Bearing Steel
• Spherical: Non-Aligning Bearings
• Load Direction: Radial Bearing
• Separated: Unseparated
• Apllication: Machinery
• Type: Roller Bearing
• Service: OEM Customized Services
• Certificate: ISO 9001:2000
• Lubrication: Oil Grease
• Transport Package: Industrial Package; Single Box Package
• Specification: 55*120*29mm
• Trademark: CHIK SKF NTN NACHI NSK KOYO OEM
• Origin: China
• HS Code: 8482102000
• Production Capacity: 100, 000 /Month

Product Description

PRODUCT INFO.

Taper roller bearing 31311
Principle dimensions(d)	55mm
Principle dimensions(D)	120mm
Principle dimensions(B)	29mm
Material	GCr15/ Stianless steel
Cage	Steel
Grade	P0 P6 P5 P4
Clearance	C0, C2, C3,C4
Structure	Single-row tapered roller bearings
	Double-row tapered roller bearings
	Four row tapered roller bearings
Features	Dimensional stability
	Long life even in contaminated lubricant
	Durable steel cage
Packing	1. For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box
	2. For big ones:anti-rust oil+waterproof belt+professional belt+wooden box
Application	Tapered roller bearings are widely used in gear drives and reducers, automotive front and rear axles, guide box in bar and rod mills, conveyor and transfer equipments and so on.

CHIK specializes in producing single row metric series tapered roller bearings. Designations are used according to widely accepted standards and relates to ISO 355 rules for contact angles and boundary dimensions. Unless otherwise specified, bearings dimensional accuracy is normal, however, improved running accuracy is available.

Packaging & Shipping
1.Neutral packaging: plastic bag + kraft paper + outer carton + plywood pallets; plastic tube + carton + plywood pallets
2. Commercial packing: 1pcs/plastic bag + color box + carton + plywood pallets
3. OEM your brand or According to your requirement
1) Less than 45 KGS, we will send by express.DHL/TNT/FEDEX/UPS/EMS ( Door to Door, Convenient )
2) Between 45 - 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )
4)Special line: (the Middle East special line /America special line)
OTHER MODELS WE CAN OFFER 

ISO	GOST	Dimensions (mm)					Basic Load Rating (N)		Limitting speed ( r/min )		Weight
									Lubrication
		d	D	B	T	C	Dyn. C	Stat. C0	Grease	Oil
31305	27305	25	62	17	18	13	38000	40000	5600	7500	0.26
31306	27306	30	72	19	20	14	47300	50000	5000	6700	0.39
31307	27307	35	80	21	22	15	61600	67000	4500	6000	0.52
31308	27308	40	90	23	25	17	73700	81500	4000	5300	0.72
31309	27309	45	100	25	27	18	91300	102000	3400	4500	0.95
31310	27310	50	110	27	29	19	106000	120000	3200	4300	1.2
31311	27311	55	120	29	31	21	121000	137000	2800	3800	1.55
31312	27312	60	130	31	33	22	145000	166000	2600	3600	1.9
31313	27313	65	140	33	36	23	165000	193000	2200	3200	2.35
31314	27314	70	150	35	38	25	187000	220000	2000	3000	2.95
31315	27315	75	160	37	40	26	209000	245000	1900	2800	3.5
31316	27316	80	170	39	42	27	224000	265000	1900	2800	4.05
31317	27317	85	180	41	44	28	242000	285000	1800	2600	4.6
31318	27318	90	190	43	46	30	264000	315000	1700	2400	5.9
31319	27319	95	200	45	49	32	292000	355000	1700	2400	6.95
31320	27320	100	215	51	56	35	374000	465000	1600	2200	8.6