Types of Insulated Bearings: Enhancing Electrical Protection in Industrial Applications
Introduction
The model interchangeable table of insulated bearings lists different brands and models of insulated bearings so that users can choose the right bearings according to their needs. The following are some of the insulation bearing models and their corresponding interchangeable models:
Prefix & Suffix Interchange
Sealing Suffix Designator
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
CLOSURES | ||||||
One Non-Contact Seal | LB | RZ | RZ | RZ | V | LB |
Two Non-Contact Seals | LLB | 2RZ | 2RZ | 2RZ | VV | LLB |
One Contact Seal | LU | RS1 | ELS | RS | DU | LU |
Two Contact Seals | LLU | 2RS1 | 2ELS | 2RS | DDU | LLU |
One Shield | Z | Z | Z | Z | Z | Z |
Two Shields | ZZ | 2Z | 2Z | ZZ | ZZ | ZZ |
One Snap Ring | NR | NR | NR | NR | NR | NR |
Accuracy Level Suffix Designator
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
PRECISION CLASSES | ||||||
ABEC 3 | P6 | P6 | P6 | M* | P6,PA3 | P6 |
ABEC 5 | P5 | P5 | P5 | V* | P5,PA5 | P5 |
ABEC 7 | P4 | P4 | P4S | MM, MMV | P4,PA7 | P4 |
ABEC 9 | P2 | PA9A | P2 | MMX* | P2,PA7 | P2 |
Angle Rating Suffix Designator
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
CONTACT ANGLES | ||||||
15° | C | C | C | 2* | C | C |
25° | H | AC, ACD | E | 3* | A5 | H |
30° | - | A | N/A | N/A | A | - |
40° | B | B | B | - | B | B |
Carrying capacity class code
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
PRELOAD | ||||||
Extra Light | GL | - | - | UX | EL | GL |
Light | GN, J74 | GA | L | UL | L, C7 | GN, J74 |
Medium | GM, J84 | GB | M | UM | M, C8 | GM, J84 |
Heavy | GH, J94 | GC | H | UH | H, C9 | GH, J94 |
Cage material code
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
CAGE | ||||||
Phenolic | T1 | TP | TA, TB, TH, TP | CR | T | T1 |
Pressed Brass | Y | Y | MP | NO SYM | Y | Y |
Polyamide/Nylon | T2 | TN, P, TN9 | TN, T, TV | PRB/PRC, CF | TY | T2 |
Brass | L1 | M, MA, MB | M, MP | MBR | CAM, M | L1 |
Pressed Steel | J | J | J | C, CD | W | J |
Spherical feature suffix
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
DUPLEX | ||||||
Universal Ground | G, U | G** | U | SU | SU | G, U |
SPHERICAL FEATURES | ||||||
Taper Bore | K | K | K | K | K | K |
Oil Groove | W33, D1 | W33 | S | W33 | E4 | W33, D1 |
Shaker Screens | UAVS, EF800, EMADIVS | CACM2/W502 | F80 | W800 | VS3(4) | UAVS, EF800, EMADIVS |
Bearing Series Interchange
Cylindrical Roller Insulated Bearings
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
CYLINDRICAL | ||||||
N | N | N | 000RN0 | N | N | |
NU | NU | NU | 000RU0 | NU | NU | |
NF | NF | N/E | 000RF0 | NF | NF | |
NJ | NJ | NJ | 000RJ0 | NJ | NJ | |
NH | NH | NJ&HJ | N/A | NH | NH | |
NN | NN | NN | N/A | NN | NN |
Deep Groove Ball Insulated Bearings
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
BALL BEARINGS | ||||||
600 | 600 | 600 | 30K | 600 | 600 | |
6800 | 61800 | 61800 | - | 6800 | 6800 | |
6900 | 61900 | 61900 | 9300K | 6900 | 6900 | |
6000 | 6000 | 6000 | 9100K | 6000 | 6000 | |
6200 | 6200 | 6200 | 200K | 6200 | 6200 | |
6300 | 6300 | 6300 | 300K | 6300 | 6300 | |
6400 | 6400 | 6400 | 6400 | 6400 | 6400 | |
MAN CAPACITY | BL200 | 200 | 200 | 200W | BL200 | BL200 |
BL300 | 300 | 300 | 300W | BL300 | BL300 |
Angular Contact Ball Insulated Bearings
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
ANGULAR CONTACT | ||||||
7800 | 71800 | 71800 | - | - | 7800 | |
7900(71900) | 71900 | 71900 | 2MM9300WI | 7900 | 7900(71900) | |
7000 | 7000 | 7000 | 7100 | 7000 | 7000 | |
7200 | 7200 | 7200 | 7200 | 7200 | 7200 | |
7300 | 7300 | 7300 | 7300 | 7300 | 7300 |
Spherical roller-insulated bearings
Characteristics | NTN | SKF | FAG | TIMKEN | NSK | NTN |
---|---|---|---|---|---|---|
SPHERICAL | 21300 | 21300 | 21300 | 21300 | 21300 | 21300 |
22200 | 22200 | 22200 | 22200 | 22200 | 22200 | |
22300 | 22300 | 22300 | 22300 | 22300 | 22300 | |
23000 | 23000 | 23000 | 23000 | 23000 | 23000 | |
23100 | 23100 | 23100 | 23100 | 23100 | 23100 | |
23200 | 23200 | 23200 | 23200 | 23200 | 23200 | |
23400 | 23400 | 23400 | 23400 | 23400 | 23400 | |
24000 | 24000 | 24000 | 24000 | 24000 | 24000 | |
24100 | 24100 | 24100 | 24100 | 24100 | 24100 |
Deep Groove Ball Insulated Bearings Common Interchangeable Models
FAG | TFL | SKF | NKE | NSK | NTN |
---|---|---|---|---|---|
6214-M-J20AA-C3 | 6214M/C3VL0241 | 6214M/C3VL0241 | 6214-M-C3-SQ77 | 7MC3-6214C3 | |
6215-J20AB-C3 | 6215/C3VL0241 | 6215/C3VL0241 | 6215-M-C3-SQ77 | 6215HDY2C3 | 7MC3-6215C3 |
6216-J20AA-C3 | 6216/C3VL0241 | 6216/C3VL0241 | 6216-M-C3-SQ77 | 6216HDY2C3 | 7MC3-6216C3 |
6217-J20AA-C3 | 6217/C3VL0241 | 6217/C3VL0241 | 6217-M-C3-SQ77 | 6217HDY2C3 | 7MC3-6217C3 |
6218-J20AB-C3 | 6218/C3VL0241 | 6218/C3VL0241 | 6218-M-C3-SQ77 | 6218HDY2C3 | 7MC3-6218C3 |
6226-J20C-C3 | 6226/C3VL2071 | 6226/C3VL2071 | |||
6228-J20AA-C3 | 6228/C3VL0241 | 6228/C3VL0241 | 7MC3-6228C3 | ||
6311-M-J20AA-C3 | 6311M/C3VL0241 | 6311M/C3VL0241 | 7MC3-6311C3 | ||
6316-M-J20AA-C3 | 6316M/C3VL0241 | 6316M/C3VL0241 | 6316-M-C3-SQ77 | 6316HDY2C3 | 7MC3-6316L1BC3 |
6318-2Z-J20C-C3 | 6318/C3VL2071 | 6318/C3VL2071 | |||
6326-M-J20AB-C3 | 6326M/C3VL0241 | 6326M/C3VL0241 | 6326-M-C3-SQ77 | 6326HDY2C3 | 7MC3-6326L1BC3 |
6336-M-J20C-C3 | 6336M/C3VL2071 | 6336M/C3VL2071 | |||
6338-M-J20C-C3 | 6338M/C3VL2071 | 6338M/C3VL2071 |
Expanded Reading
TFL Insulated Bearings
Introduction: TFL Insulated Bearings – The Future of Motor Protection Bearing galvanic corrosion occurs on the surface of the bearing due to the presence of shaft currents during the motor’s…
FAG Insulated Bearings
Introduction: The Revolutionary Impact of FAG Insulated Bearings FAG bearings are fully certified in almost every possible field and have always played a very important role. FAG insulated bearings are…
Areas of Application for Electrically Insulated Bearings
Introduction Electrically insulated bearings play a vital role in modern industry. Electrically insulated bearings, also known as insulated bearings, can block the passage of electric current and have excellent insulating…
Insulated Bearings Buyer’s Guide
Introduction Insulated bearings have become an indispensable part of many mechanical devices in today’s highly electrified industrial environment. They cannot only effectively isolate the current and prevent the occurrence of…
Why Use Insulated Bearings
Introduction: The Importance of Insulated Bearings Insulated bearings are bearings with electrically insulating properties that protect bearings and motors by preventing damage from electrical currents. Electrically insulated bearings have a…
Deep Groove Ball Insulated Bearing
Introduction Welcome to the website of TFL Insulated Bearings.TFL, as one of the leading manufacturers of insulated bearings in China, specializes in the research and development of insulated bearings to…