Home > Products > Brand Bearings > Type of Bearings KOYO Tapered Roller Bearing 20x52x21 Taper Roller Bearing 32304JR
Type of Bearings KOYO Tapered Roller Bearing 20x52x21 Taper Roller Bearing 32304JR
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Product Details
| Brand Name | KOYO | Bore Size | 0, 20 | |
| Outside Diameter | 0, 52 | Model Number | 32304JR | |
| Precision Rating | p0 p6 p5 p4 | Seals Type | open | |
| Number of Row | Single Row | Place of Origin | China | 
Product Description
Type of bearings KOYO tapered roller bearing 20x52x21 taper roller bearing 32304JR
The brief description of KOYO tapered roller bearings :
KOYO Tapered roller bearings consist of four basic components including the inner ring , the outer ring, tapered rollers, and a cage (roller retainer). Tapered roller bearings are designed such that their conical rollers and raceways are arranged so that all elements of the roller and raceway cones meet at a common apex on the bearing axis. The rollers are guided by the contact between the large end of the roller and the rib on the inner ring.The design of tapered roller bearing can support a combined radial and axial load. The larger the half angles of these cones, the larger the axial force that the bearing can sustain. Tapered roller bearings mainly burden the joint load from radial and shaft side. This kind of bearings has strong loadcapability. It belongs to separated bearing; its inner components and outer components can be equipped individually on small and medium sized dimensions, our tapered roller bearings use P5 or equivalent techniques; and adopt entire convexity design.
Specification for koyo 32304JR tapered roller bearings:
Model Number  | 32304JR  | 
Brand Name  | KOYO  | 
Structure  | Tapered roller bearing  | 
Type  | Roller  | 
Boundary Dimensions  | d: 20  | 
D: 52  | |
B: 21  | |
Ring Material  | Chrome Steel ,Carbon steel,Stainless steel  | 
Cage material  | Chrome Steel( GCR15 ) ,Carbon steel,Stainless steel  | 
Basic Load Rating(kn)  | Dynamic Cr: 45.1  | 
Static Cor: 46.7  | |
Limiting Speed(r/min)  | Lubricant (Grease): 8400  | 
Lubricant (Oil): 11000  | |
Weight(kg)  | 0.244  | 
Application  | Mainly used in metallurgy, mining, petroleum, chemical industry, construction machinery and other areas  | 
Model numbers of 32000 series tapered roller bearings:
| d(mm) | D(mm) | T(mm) | B(mm) | C(mm) | weight( KG) | Model | 
| 15 | 35 | 11.75 | 11 | 10 | 0.054 | 30202R | 
| 15 | 42 | 14.25 | 13 | 11 | 0.098 | 30302JR | 
| 17 | 40 | 13.25 | 12 | 11 | 0.081 | 30203JR | 
| 17 | 40 | 17.25 | 16 | 14 | 0.104 | 32203JR | 
| 17 | 47 | 15.25 | 14 | 12 | 0.133 | 30303JR | 
| 17 | 47 | 15.25 | 14 | 12 | 0.127 | 30303R | 
| 17 | 47 | 20.25 | 19 | 16 | 0.17 | 32303 | 
| 17 | 47 | 20.25 | 19 | 16 | 0.176 | 32303JR | 
| 20 | 42 | 15 | 15 | 12 | 0.102 | 32004JR | 
| 20 | 47 | 15.25 | 14 | 12 | 0.125 | 57008R | 
| 20 | 47 | 15.25 | 14 | 12 | 0.127 | 30204JR | 
| 20 | 47 | 19.25 | 18 | 15 | 0.159 | 32204JR | 
| 20 | 47 | 19.25 | 18 | 16 | 0.17 | 32204XR | 
| 20 | 52 | 16.25 | 16 | 12 | 0.17 | 30304AC | 
| 20 | 52 | 16.25 | 16 | 13 | 0.179 | 30304AJR | 
| 20 | 52 | 22.25 | 21 | 18 | 0.25 | 32304CR | 
| 20 | 52 | 22.25 | 21 | 18 | 0.244 | 32304JR | 
| 22 | 44 | 15 | 15 | 11.5 | 0.108 | 320/22JR | 
| 22 | 47 | 17 | 17.5 | 13.5 | 0.138 | T2CC022 | 
| 22 | 50 | 15.25 | 14 | 12 | 0.14 | 302/22CR | 
| 22 | 50 | 15.25 | 14 | 12 | 0.144 | 302/22R | 
| 22 | 50 | 19.25 | 18 | 15 | 0.17 | 322/22CR | 
| 22 | 50 | 19.25 | 18 | 15 | 0.178 | 322/22R | 
| 22 | 56 | 17.25 | 16 | 13 | 0.21 | 303/22XR | 
| 22 | 56 | 17.25 | 16 | 14 | 0.216 | 303/22R | 
| 22 | 56 | 22.25 | 21 | 17 | 0.29 | 323/22CR | 
| 22 | 56 | 22.25 | 21 | 18 | 0.273 | 323/22R | 
| 25 | 47 | 15 | 15 | 11.5 | 0.118 | 32005JR | 
| 25 | 47 | 17 | 17 | 14 | 0.131 | 33005JR | 
| 25 | 52 | 16.25 | 15 | 12 | 0.155 | 30205XR | 
| 25 | 52 | 16.25 | 15 | 13 | 0.156 | 30205JR | 
| 25 | 52 | 19.25 | 18 | 16 | 0.2 | 32205XR | 
| 25 | 52 | 19.25 | 18 | 16 | 0.188 | 32205JR | 
| 25 | 52 | 22 | 22 | 18 | 0.225 | 33205JR | 
| 25 | 62 | 18.25 | 17 | 13 | 0.269 | 30305DJR | 
| 25 | 62 | 18.25 | 17 | 14 | 0.275 | TR0506R | 
| 25 | 62 | 18.25 | 17 | 15 | 0.273 | 30305JR | 
| 25 | 62 | 25.25 | 24 | 19 | 0.39 | 32305XR | 
| 25 | 62 | 25.25 | 24 | 20 | 0.386 | 32305JR | 
| 28 | 52 | 16 | 16 | 12 | 0.15 | 320/28JR | 
| 28 | 58 | 17.25 | 16 | 13 | 0.205 | 302/28CR | 
| 28 | 58 | 17.25 | 16 | 14 | 0.209 | 302/28R | 
| 28 | 58 | 20.25 | 19 | 16 | 0.255 | 322/28CR | 
| 28 | 58 | 20.25 | 19 | 16 | 0.244 | 322/28R | 
| 28 | 58 | 24 | 24 | 19 | 0.302 | 332/28JR | 
| 28 | 68 | 19.75 | 18 | 14 | 0.332 | 303/28CR | 
| 28 | 68 | 19.75 | 18 | 16 | 0.345 | 303/28R | 
| 28 | 68 | 25.75 | 24 | 20 | 0.48 | 323/28CR | 
| 28 | 68 | 25.75 | 24 | 21 | 0.469 | 323/28R | 
The characteristics of the tapered roller bearings:
1) Low friction
 2) Minimum lubrication
 3) Wear resistant
 4) Running in not required
 5) Requires little attention
Applications of the tapered roller bearings:
1)Material handling machinery:mining machinery, textile machinery, lifting equipment, Agricultural machinery: tractors, harvesting machinery, etc.
2)Heavy-duty mining machinery: metallurgical machinery, mining machinery, lifting machinery, loading and unloading machinery, industrial vehicles, cement equipment, etc.
3)Construction Machinery: forklifts, earth moving machinery, compaction machinery, concrete machinery, etc.
4)The general petrochemical machinery: oil drilling machinery, oil refining machinery, chemical machinery, gas compressors, paper machinery, printing machinery, etc.
5)Machine tools: forging machinery, foundry machinery, woodworking machinery, etc.
6)Car: truck, road, bus, car, modified car, motorcycle ,etc.
The detailed pictures of koyo tapered roller bearings 32304JR:
 
More KOYO tapered roller bearings pictures:

Shanghai Shengyue Bearing Co., Ltd. is a professional China Angular Contact Ball Bearings manufacturer and dealer in China. We have been engaged in bearing industry for 15 years and worked on bearing import and export for more than 8 years. We attend international bearing fairs, put in many B2B websites and achieve many customers all over the world, building up a good reputation from our customers.
Bearings Factory Pictures:

Bearings Package:
Original Package:
1):Inner Plastic Bag+ Paper Box + Carton(+Pallet);
2):Small sizes:Plastic Tube + Carton
3):Big sizes:Wooden Case

Bearings Lead time:
We will prepare your order as soon as possible.
1)2-3 days for ex-stock
2)6-10 days for others
Shipping & Delivery time:
1)Less than 45 Kg:DHL TNT Fedex UPS express will be better,( 4-7 days delivered to your address);
2) Between 45 to 200 Kg:Air transiportation will be better,( 5-14 days delivered to your airport);
3) Over 200 Kg:Sea transportation will be better.( Cheapest,18-45 days to your port ).
Payment terms:
We accept T/T, Western Union,Paypal,Visa.
1) T/T or WU (we undertake the bank fees):
A:100% payment.
B:30% deposit ,70% before transportation.
2)PayPal (we undertake the transaction fees)
A:100% payment.
B:30% deposit ,70% before transportation
3) L/C at sight.
Note :We will take some pictures of your bearings before transportation.
| Price terms |                    FOB,CNF,CFR,CIF,Door to door  | 
| Shipping Airport | Shanghai Pudong International Airport  | 
| Shipping Port | Shanghai,Guangzhou | 

Our service :
1. Price --Highest quality and most competitive price.
2. Warranty----- We provide 1year warranty for all bearings.
3. Delivery fast -----Goods will be sent out within 3 to 5 days for ex-stock.
4. Professional----- We are special in source and sales, as development, methods,
                              conjugations, and handling ,for more than 7 years.  
5. Best service-----Answering e-mails or solving questions quickly.We are 24 hours online.
6.Save freight.---we have many cooperative forwarders to help you choose the best shipping ways.
Our Main Bearings Type Pictures:

(1) Deep Groove Ball Bearing:
6000 series, 6200 series, 6300 series, 6400 series, 6900 series, 1600series, 16000 series.
Double row: 4200A, 4300A
Also we can provide high temperture deep groove ball bearing such as S1, S2, S3.
 
(2) Agular Contact Ball Bearing:
Single row angular contact ball bearing: 7000 series, 7200 series, 7300 series. 
Double rwo angular contact ball bearing: 300 series, 3200 series, 3300 series.
 
(3) Self aligning ball bearing:
1200series, 1300series, 2200series, 2300series
(4) Cylindrical Roller Bearing:
Single row: N, NF, NH, NJ, NU, NFP, NUP, NUB series
Double row: NN, NNF, NNU series.
Four row: FC, FCD series
Full complement : SL series.
 
(5) Spherical Roller Bearing:
20000 series, 21000series, 22000 series, 23000 series, 24000 series.
Brass cage: CC, CA, CAK.
Steel cage: EK
(6) Taper Roller Bearing:
Single Row: 30000 series, 31000series, 32000 series, 33000 series.
Double Row: D, CD.
Inch taper Roller Bearing: 68149/10, 69349/10, 68548/10, 67048/10 etc.
(7) Needle Roller Bearing:
HK, NA, NK, RNA, NUTR, K, BK Series.
(8) Linear Bearing:
LB, LBE, LMU, LMUE series.
 
(9) Thrust ball bearing:
51100 series, 51200 series, 51300 series, 51400 series, 52200 series, 52300 series, 53200 series, 53300 series
(10) Pillow block ball bearing:
UC series, UCP series, UCF series, UCFS series, UCFC series, UCFL series, UCC series, UCT series 
If you need more bearing models or sizes,welcome to contact us!
Contact Us
                - Shanghai Shengyue Bearing Co., Ltd.
 - Contact nameJason Chen Chat Now
 - Phone86-21-60700371
 - AddressRm. 701, Yizheng Mansion, No. 681, Xincun Rd.
 
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