INA KWEM12 -C-V1-G2A Carriage
Brand:
INA
- Regular price
- €450,95
- Sale price
- €450,95
- Regular price
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Oxford, Michigan
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Key Features
- Reliable bearing performance
- High load carrying capacity
- Protected against contamination
- Long service life
- Low friction operation
Description
Carriage sealed design
Carriages from INA are designed for reliable performance in demanding industrial applications. The sealed design provides protection against contamination. Suitable for use in a wide range of industrial applications where reliability and performance are essential.
Specifications
Properties
| Ball chain | Without ball chain |
| Ball-/Roller rows | Double-row |
| Design | Block carriage |
| Lubrication & Maintenance | Relubricatable |
| Material | Stainless steel, plastic |
| Preload | Light preload |
| Seal | End seals and sealing strips |
| Series | 12 series |
| Temperature range | -10 to +80 °C |
| Tolerance class | INA G2A |
| Type of rolling elements | Balls |
| Version | Short design |
Logistics
| Product Net Weight | 0.022 |
How to Read an INA Bearing Number
Every INA (Schaeffler) bearing part number is built from a prefix (bearing type), a basic number (dimension series and size), and one or more suffixes (seals, cage, clearance, and other features). INA specializes in needle roller bearings, track rollers, combined bearings, and linear motion products. For metric needle bearings, the bore size in mm is typically included directly in the designation (e.g., HK2516 = 25 mm bore, 16 mm length).
HK2516.2RS
HK Drawn cup needle roller bearing • 25 25mm bore • 16 16mm length • 2RS Contact seals both sides
NA4907.2RSR.XL
NA Machined needle roller with inner ring • 49 Dimension series • 07 35mm bore • 2RSR Contact seals both sides • XL X-life
Prefixes & Type Codes
Drawn Cup Needle Roller Bearings
| Prefix | Type |
|---|---|
| HK | Drawn cup needle roller bearing, open ends, with cage |
| BK | Drawn cup needle roller bearing, closed one end, with cage |
| HN | Full complement drawn cup needle roller bearing, open ends (no cage) |
| BN | Full complement drawn cup needle roller bearing, closed one end (no cage) |
| HFL | One-way drawn cup needle roller clutch bearing |
| HF | One-way drawn cup needle roller clutch, complete with cage and springs |
Machined Needle Roller Bearings
| Prefix | Type |
|---|---|
| NA48.. | Machined needle roller bearing with inner ring, dimension series 48 |
| NA49.. | Machined needle roller bearing with inner ring, dimension series 49 |
| NA69.. | Machined needle roller bearing with inner ring, dimension series 69 |
| RNA48.. | Machined needle roller bearing without inner ring, dimension series 48 |
| RNA49.. | Machined needle roller bearing without inner ring, dimension series 49 |
| RNA69.. | Machined needle roller bearing without inner ring, dimension series 69 |
| NK | Machined needle roller bearing without inner ring (heavy series) |
| NKI | Machined needle roller bearing with inner ring (heavy series) |
| NKS | Machined needle roller bearing without inner ring, with lubrication holes |
| NKIS | Machined needle roller bearing with inner ring, sealed |
Needle Roller & Cage Assemblies
| Prefix | Type |
|---|---|
| K | Radial needle roller and cage assembly |
| KZK | Axial needle roller and cage assembly |
| KBK | Axial needle roller and cage assembly, with ball centring |
Axial (Thrust) Needle Roller Bearings
| Prefix | Type |
|---|---|
| AXK | Axial needle roller bearing with cage (requires washers AS / LS) |
| AXW | Axial needle roller bearing with cage and washers |
| NTA | Inch-series axial needle roller and cage thrust assembly |
| TC | Inch-series thrust needle roller bearing, full complement |
| AS | Axial bearing washer (shaft washer) |
| LS | Axial bearing washer (housing washer) |
Combined Needle Roller Bearings
| Prefix | Type |
|---|---|
| NX | Combined needle roller / thrust ball bearing |
| NKX | Combined needle roller / thrust ball bearing, heavy series |
| NKXR | Combined needle roller / cylindrical roller thrust bearing |
| NKIA | Combined needle roller / angular contact ball bearing |
| NKIB | Combined needle roller / angular contact ball bearing, inverted |
Track Rollers & Support Rollers
| Prefix | Type |
|---|---|
| NUTR | Yoke type track roller, cylindrical outer ring, full complement |
| NATV | Yoke type track roller, V-groove outer ring |
| NATR | Support roller with flange rings, sealed, cylindrical outer ring |
| STO | Track roller without flange rings, with inner ring |
| RSTO | Track roller without flange rings, without inner ring |
| KR | Cam follower (stud type track roller) with cage |
| KRV | Cam follower, stud type, sealed, full complement |
| KRVE | Cam follower, stud type, eccentric collar, sealed |
| NUKR | Cam follower with cylindrical roller, full complement |
| PWKR | Support roller with flange, crowned outer ring |
Full Complement Cylindrical Roller Bearings (SL Series)
| Prefix | Type |
|---|---|
| SL18 18.. | Full complement cylindrical roller bearing, single row |
| SL18 29.. | Full complement cylindrical roller bearing, single row, sealed |
| SL19 29.. | Full complement cylindrical roller bearing, double row, sealed |
| SL04 | Full complement cylindrical roller bearing, double row, open |
| SL01 48.. | Full complement cylindrical roller bearing, single row, series 48 |
| SL01 49.. | Full complement cylindrical roller bearing, single row, series 49 |
| SL02 48.. | Full complement cylindrical roller bearing, double row, series 48 |
| SL02 49.. | Full complement cylindrical roller bearing, double row, series 49 |
Spherical Plain & Rod End Bearings
| Prefix | Type |
|---|---|
| GE..DO | Radial spherical plain bearing, requiring maintenance, steel-on-steel |
| GE..UK | Radial spherical plain bearing, lubrication grooves & holes |
| GE..FW 2RS | Maintenance-free spherical plain bearing (PTFE composite liner) |
| GE..ZO | Maintenance-free spherical plain bearing (ELGOGLIDE liner) |
| GE..AW | Angular contact spherical plain bearing, maintenance-free |
| GIKL..PW | Rod end with internal thread, left-hand, maintenance-free |
| GIKR..PW | Rod end with internal thread, right-hand, maintenance-free |
| GAKL..PW | Rod end with external thread, left-hand, maintenance-free |
| GAKR..PW | Rod end with external thread, right-hand, maintenance-free |
Linear Motion & Ball Bushings
| Prefix | Type |
|---|---|
| KH | Linear ball bushing, closed design |
| KH..PP | Linear ball bushing, sealed, self-aligning |
| KNO | Linear ball bushing unit, open design |
| KUSE | Linear ball bushing unit, flanged housing, sealed |
| KTSG | Linear ball bushing, open design, adjustable preload |
| KWVE | Linear recirculating ball bearing carriage, wide, long |
| KUVE | Linear recirculating ball bearing carriage, standard |
Suffixes
Seals & Shields
| Suffix | Meaning |
|---|---|
| RS | Contact seal (NBR rubber) on one side |
| 2RS | Contact seals (NBR rubber) on both sides |
| RSR | Contact seal (NBR lip seal) on one side |
| 2RSR | Contact seals (NBR lip seals) on both sides |
| ZW | Seal with intermediate ring, one side |
| 2ZW | Seals with intermediate ring, both sides |
| P | Contact seal on one side (drawn cup / needle roller bearings) |
| PP | Contact seals on both sides (drawn cup / needle roller bearings) |
| Z | Non-contact sheet steel shield on one side |
| 2Z | Non-contact sheet steel shields on both sides |
Internal Clearance
| Suffix | Meaning |
|---|---|
| C1 | Clearance smaller than C2 (tightest) |
| C2 | Clearance less than Normal |
| C0 / CN | Normal clearance (default — usually omitted from designation) |
| C3 | Clearance greater than Normal |
| C4 | Clearance greater than C3 |
| C5 | Clearance greater than C4 (loosest) |
Cage / Retainer Type
| Suffix | Meaning |
|---|---|
| J | Pressed (stamped) steel cage |
| Y | Stamped (pressed) brass cage |
| F | Machined steel solid cage |
| M | Machined brass solid cage |
| TN | Engineering plastic injection moulded cage |
| TVP | Glass fibre reinforced polyamide (PA66) window cage |
| TVP2 | Glass fibre reinforced polyamide (PA66) cage, roller guided |
| TVH | Glass fibre reinforced polyamide (PA66) self-locking pocket cage |
| V | Full complement (no cage — maximum rolling elements) |
Internal Design & Load Capacity
| Suffix | Meaning |
|---|---|
| XL | X-life — optimized for extended service life and higher load rating |
| E | Reinforced / increased load capacity design |
| E1 | Increased capacity, new generation (optimized internal geometry) |
| A | Modified internal construction |
| B | Modified internal construction (varies by type) |
| X | External dimensions modified to ISO standard |
Tolerance / Precision Class
| Suffix | Meaning |
|---|---|
| P0 | Normal tolerance — ISO Class 0 (default, usually omitted) |
| P6 | ISO Class 6 (ABEC-3) |
| P5 | ISO Class 5 (ABEC-5) |
| P4 | ISO Class 4 (ABEC-7) |
| P2 | ISO Class 2 (highest standard precision) |
Stabilization / Heat Treatment
| Suffix | Max Operating Temperature |
|---|---|
| S0 | Up to 150 °C (300 °F) |
| S1 | Up to 200 °C (390 °F) |
| S2 | Up to 250 °C (480 °F) |
| S3 | Up to 300 °C (570 °F) |
| S4 | Up to 350 °C (660 °F) |
Materials & Surface Treatment
| Suffix | Meaning |
|---|---|
| HC | Hybrid ceramic — steel rings with silicon nitride (Si3N4) rolling elements |
| W203B | Stainless steel bearing (AISI 440C equivalent) |
| BR | Black oxide coated (Durotect B) |
| RR | Corrosion-resistant Corrotect coating |
| S (prefix) | Stainless steel bearing |
Bore & Outer Ring Features
| Suffix | Meaning |
|---|---|
| K | Tapered bore, taper 1:12 |
| K30 | Tapered bore, taper 1:30 |
| N | Snap ring groove in the outer ring |
| NR | Snap ring groove with snap ring installed |
| R | Flanged outer ring |
| L | Flanged inner ring |
Lubrication
| Suffix | Description |
|---|---|
| L74 | Isoflex NBU 15 — diester/mineral, barium thickener, −30 to +130 °C |
| L76 | Staburags NBU 12 — mineral, lithium thickener, −35 to +150 °C |
| L77 | Barrierta L55/2 — fluorinated PTFE, −35 to +260 °C |
| L34 | Molykote BR2 Plus — mineral, lithium, −30 to +150 °C |
| S | Lubrication groove + lubrication holes in outer ring |
| AS1 | Lubrication groove and holes in outer ring (SL series) |
Special Variants & Applications
| Suffix | Meaning |
|---|---|
| XL | X-life — extended service life, higher dynamic load rating |
| PW | Maintenance-free (PTFE composite sliding layer — plain/rod end bearings) |
| DO | Requiring maintenance, steel-on-steel (plain bearings) |
| UK | Lubrication grooves and holes (plain bearings) |
| FW | Maintenance-free, PTFE composite lined (plain bearings) |
| ZO | Maintenance-free, ELGOGLIDE sliding surface (plain bearings) |
Need help choosing the right INA bearing? Call us at 1 (248) 429‑9073 or use the chat below.
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