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Drawn Cup Needle Roller Bearing, Outer Ring

Drawn Cup Needle Roller Bearing, Outer Ring

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  • Drawn Cup Needle Roller Bearing, Outer Ring
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Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.


Product Description

A bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled.
[Features]
・ It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.
・ Compact design is possible with the shaft directly as the raceway surface without using the inner ring.
・ The outer ring has a structure in which the needle roller and the retainer are not separated.
・ Retaining rings are not required for fixing in the axial direction by simply press-fitting into a rigid housing with an appropriate fit.
[Applications]
・ Heavy load, high speed, gearbox for automobiles, etc.
・ Steel equipment, mining / construction machinery, machine tools.

Drawing

Drawing 1 of shell type needle roller bearing

HK type, HMK type (Open-ended type)

Drawing 2 of shell type needle roller bearing

HK, ZWD type (Open-ended type)

Drawing 3 of shell type needle roller bearing

BK type (Closed end type)

Drawing 4 of shell type needle roller bearing

BK ‥ ZWD type (Closed end type)

Product features details

Shell-type needle roller bearings that can reduce space and cost

It is a bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled (as for the part numbers with "M" in the suffix, they are heat treated after assembling). It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.
Usually, a design is taken in which the shaft is directly used as the raceway surface without using the inner ring. The outer ring has a structure in which the needle-shaped roller and the retainers are not separated, and the bearing is easy to handle because it does not require a retaining ring to fix it in the axial direction, just by press-fitting it into a rigid housing with an appropriate fit.

Type, structure, and features of shell needle roller bearings

TypeCompatible shaft diameter (mm)Nominal NumberComposition and dimensionsNote
HK
(HK・・T2)
Standard
Series
Open Endø3 to ø50HK0609T2Diameter of Inscribed Circle: ø6
Width dimensions: 9
T2: Resin retainer
Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use.
Premium shell bearings have F in the suffix. See CATNO.3029 (Premium Shell Bearing) for details. Those with an M in the suffix are heat-treated products after assembly. (Pre-vent specifications)
HK・・LOpen End
One-sided seal
ø12 to ø50HK2018L/3ASDiameter of Inscribed Circle: ø20
Width dimensions: 18
L: One-sided seal
3AS: Grease
The seal type (tailing symbol: L or LL) with a built-in synthetic rubber sealing seal on one side or both sides has lithium soap-based grease sealed inside.
To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and within 100°C for continuous use.
This type has a shorter roller length and a smaller rated load than the open type with the same dimensions.
HK・・LLOpen End
Double-sided seal
ø12 to ø50HK2020LL/3ASDiameter of Inscribed Circle: ø20
Width dimensions: 20
LL: Double-sided seal
3AS: Grease
HK・・ZWDOpen End
Double row type
ø15 to ø30HK2030ZWDDiameter of Inscribed Circle: ø20
Width dimensions: 30
ZW: Retainer double row
D: Outer ring lubrication hole
This type has a lubrication hole in the outer ring.
HMK
(HMK・・T2)
Open Endø8 to ø50HMK2015Diameter of Inscribed Circle: ø20
Width dimensions: 15
Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use.
HMK・・LOpen End
One-sided seal
ø8 to ø50HMK2018L/3ASDiameter of Inscribed Circle: ø20
Width dimensions: 18
L: One-sided seal
3AS: Grease
The seal type (tailing symbol: L or LL) with a built-in synthetic rubber sealing seal on one side or both sides has lithium soap-based grease sealed inside.
To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and within 100°C for continuous use.
This type has a shorter roller length and a smaller rated load than the open type with the same dimensions.
HMK・・LLOpen End
Double-sided seal
ø8 to ø50HMK2021LL/3ASDiameter of Inscribed Circle: ø20
Width dimensions: 20
LL: Double-sided seal
3AS: Grease
HMK・・ZWDOpen End
Double row type
ø38 to ø50HK3845ZWDDiameter of Inscribed Circle: ø38
Width dimensions: 45
ZW: Retainer double row
D: Outer ring lubrication hole
This type has a lubrication hole in the outer ring.
BK
(BK・・T2)
Closed Endø3 to ø50BK2020CDiameter of Inscribed Circle: ø20
Width dimensions: 20
C: Welding retainer
Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use.
BK・・LClosed End
One-sided seal
ø12 to ø50BK2018L/3ASDiameter of Inscribed Circle: ø20
Width dimensions: 18
L: One-sided seal
3AS: Grease
This seal type (suffix: L) has lithium soap-based grease sealed inside.
To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and continuous use should be within 100°C.
BK・・ZWDClosed End
Double row type
ø15 to ø30BK2030ZWDDiameter of Inscribed Circle: ø20
Width dimensions: 30
ZW: Retainer double row
D: Outer ring lubrication hole
This type has a lubrication hole in the outer ring.

About allowable rotational speed

The permissible rotational speed is the permissible rotational speed that can be achieved based on the following assumptions.

  • Use under conditions where an appropriate amount of grease recommended by NTN is sealed, and the heat generated by sufficient familiar operation, cooling of the outer cylinder, etc., is removed.
  • Use with constant pressure preload.
Part Number
7E-HMK1525
7E-HMK2616
7E-HMK3220
7E-HMK3230
7E-HMK4020
7E-HMK4025
7E-HMK5015
7E-HMK5025
BK0408T2
BK1010
BK1012
BK1210
BK1516
BK1816
HK0306T2
HK0408T2
HK0709
HK0810
HK0810C
HK0910
HK1010
HK1210
HK1212FM
HK1312
HK1412
HK1512
HK1516LL/3AS
HK1522ZWD
HK1612
HK1616F
HK1616LL
HK1622ZWD
HK1812
HK1816LL/3AS
HK2012C
HK2016
HK2016LL
HK2020
HK2020LL
HK2030ZWD
HK2216
HK2216LL
HK2220
HK2220LL
HK2512
HK2516
HK2516LL/3AS
HK2520
HK2526
HK2538ZWD
HK2820
HK3012
HK3020LL
HK3038ZWD
HK3520
HK4012
HK4516
HK4520
HK5020
HK5025
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipRoHSLoad Direction Inner Dia. d
(Ø)
Outer Dia. D
(Ø)
Width B
(mm)
Number of Raceway Ring Rows Size Standards Retainer Type Basic Load Rating: Dynamic Load
(N)
Sealing Structure Lubricant Format symbol Holder Symbol Specifications Revolution Frequency
(rpm)
Series Case hardening (outer ring only) Outer ring oil hole Premium shell bearing Post-assembly heat treatment (pre-bent type)

₹ 503.96

1 Piece(s) 11 Day(s) or more -Radial152225Single RowMetric System-18500NANAHMK-Open End11000Heavy LoadCase hardeningNANANA

₹ 652.64

1 Piece(s) 8 Day(s) or more 10Radial263416Single RowMetric System-17100NANAHMK-Open End6000Heavy LoadCase hardeningNANANA

₹ 790.60

1 Piece(s) 11 Day(s) or more -Radial324220Single RowMetric System-27500NANAHMK-Open End5000Heavy LoadCase hardeningNANANA

₹ 857.56

1 Piece(s) 11 Day(s) or more 10Radial324230Single RowMetric System-41500NANAHMK-Open End5000Heavy LoadCase hardeningNANANA

₹ 995.53

1 Piece(s) 11 Day(s) or more -Radial405020Single RowMetric System-32500NANAHMK-Open End4000Heavy LoadCase hardeningNANANA

₹ 1,016.95

1 Piece(s) 5 Day(s) or more -Radial405025Single RowMetric System-41000NANAHMK-Open End4000Heavy LoadCase hardeningNANANA

₹ 1,144.20

1 Piece(s) 11 Day(s) or more -Radial506215Single RowMetric System-25900NANAHMK-Open End3200Heavy LoadCase hardeningNANANA

₹ 1,216.53

1 Piece(s) 8 Day(s) or more 10Radial506225Single RowMetric System-48000NANAHMK-Open End3200Heavy LoadCase hardeningNANANA

₹ 316.45

1 Piece(s) 8 Day(s) or more 10Radial488Single RowMetric SystemResin Forming1770NANABKT2 (Polyamide Resin Forming Holder)Closed End30000StandardNANANANA

₹ 321.80

1 Piece(s) 5 Day(s) or more 10Radial101410Single RowMetric System-4500NANABK-Closed End16000StandardNANANANA

₹ 321.80

1 Piece(s) 5 Day(s) or more 10Radial101412Single RowMetric System-5900NANABK-Closed End16000StandardNANANANA

₹ 311.09

1 Piece(s) 8 Day(s) or more -Radial121610Single RowMetric System-5050NANABK-Closed End13000StandardNANANANA

₹ 352.62

1 Piece(s) 5 Day(s) or more 10Radial152116Single RowMetric System-10700NANABK-Closed End11000StandardNANANANA

₹ 376.73

1 Piece(s) 8 Day(s) or more 10Radial182416Single RowMetric System-11800NANABK-Closed End8500StandardNANANANA

₹ 335.20

1 Piece(s) Same day 10Radial36.56Single RowMetric SystemResin Forming925NANAHKT2 (Polyamide Resin Forming Holder)Open End33000StandardNANANANA

₹ 288.73

1 Piece(s) Same day -Radial488Single RowMetric SystemResin Forming1770NANAHKT2 (Polyamide Resin Forming Holder)Open End30000StandardNANANANA

₹ 265.00

1 Piece(s) 5 Day(s) or more -Radial7119Single RowMetric System-3400NANAHK-Open End23000StandardNANANANA

₹ 265.36

1 Piece(s) Same day 10Radial81210Single RowMetric System-3850NANAHK-Open End30000StandardNANANANA

₹ 285.45

1 Piece(s) 5 Day(s) or more 10Radial81210Single RowMetric SystemWeld Shape3850NANAHKC (Weld Holder)Open End20000StandardNANANANA

₹ 331.18

1 Piece(s) 8 Day(s) or more 10Radial91310Single RowMetric System-4300NANAHK-Open End27000StandardNANANANA

₹ 278.76

1 Piece(s) Same day -Radial101410Single RowMetric System-4500NANAHK-Open End16000StandardNANANANA

₹ 279.15

1 Piece(s) Same day -Radial121610Single RowMetric System-5050NANAHK-Open End13000StandardNANANANA

₹ 289.31

1 Piece(s) 5 Day(s) or more 10Radial121812Single RowMetric System-6600NANAHK-Open End20000StandardNANAAvailableAvailable

₹ 282.38

1 Piece(s) 5 Day(s) or more -Radial131912Single RowMetric System-6950NANAHK-Open End12000StandardNANANANA

₹ 324.49

1 Piece(s) 5 Day(s) or more 10Radial142012Single RowMetric System-7200NANAHK-Open End11000StandardNANANANA

₹ 288.11

1 Piece(s) Same day -Radial152112Single RowMetric System-7500NANAHK-Open End11000StandardNANANANA

₹ 307.15

1 Piece(s) 8 Day(s) -Radial152116Single RowMetric System-10700Double-sided Seal TypeAvailableHK-Open End Double-sided Seal16000StandardNANANANA

₹ 423.60

1 Piece(s) 8 Day(s) or more -Radial152122Double RowMetric System-12900NANAHK-Open End Multiple-Row Type11000StandardNAAvailableNANA

₹ 316.62

1 Piece(s) Same day -Radial162212Single RowMetric System-7750NANAHK-Open End10000StandardNANANANA

₹ 351.27

1 Piece(s) 8 Day(s) or more 10Radial162216Single RowMetric System-11100NANAHK-Open End15000StandardNANAAvailableNA

₹ 380.73

1 Piece(s) 5 Day(s) or more 10Radial162216Single RowMetric System-7750Double-sided Seal TypeNAHK-Open End Double-sided Seal10000StandardNANANANA

₹ 443.69

1 Piece(s) 5 Day(s) or more -Radial162222Double RowMetric System-13300NANAHK-Open End Multiple-Row Type10000StandardNAAvailableNANA

₹ 374.04

1 Piece(s) 5 Day(s) or more -Radial182412Single RowMetric System-8300NANAHK-Open End8500StandardNANANANA

₹ 432.98

1 Piece(s) 8 Day(s) or more -Radial182416Single RowMetric System-11800Double-sided Seal TypeAvailableHK-Open End Double-sided Seal13000StandardNANANANA

₹ 374.04

1 Piece(s) 5 Day(s) or more -Radial202612Single RowMetric SystemWeld Shape9250NANAHKC (Weld Holder)Open End8000StandardNANANANA

₹ 415.56

1 Piece(s) Same day -Radial202616Single RowMetric System-13000NANAHK-Open End8000StandardNANANANA

₹ 443.69

1 Piece(s) 5 Day(s) or more 10Radial202616Single RowMetric System-9250Double-sided Seal TypeNAHK-Open End Double-sided Seal8000StandardNANANANA

₹ 426.27

1 Piece(s) Same day 10Radial202620Single RowMetric System-16000NANAHK-Open End12000StandardNANANANA

₹ 512.00

1 Piece(s) 5 Day(s) or more 10Radial202620Single RowMetric System-13000Double-sided Seal TypeNAHK-Open End Double-sided Seal8000StandardNANANANA

₹ 553.53

1 Piece(s) 5 Day(s) or more -Radial202630Double RowMetric System-22200NANAHK-Open End Multiple-Row Type8000StandardNAAvailableNANA

₹ 423.60

1 Piece(s) 5 Day(s) or more 10Radial222816Single RowMetric System-13200NANAHK-Open End11000StandardNANANANA

₹ 512.00

1 Piece(s) 5 Day(s) or more 10Radial222816Single RowMetric System-9750Double-sided Seal TypeNAHK-Open End Double-sided Seal7500StandardNANANANA

₹ 461.11

1 Piece(s) 8 Day(s) or more -Radial222820Single RowMetric System-16800NANAHK-Open End11000StandardNANANANA

₹ 497.00

1 Piece(s) 5 Day(s) or more 10Radial222820Single RowMetric System-13600Double-sided Seal TypeNAHK-Open End Double-sided Seal7500StandardNANANANA

₹ 383.00

1 Piece(s) 5 Day(s) or more -Radial253212Single RowMetric System-11800NANAHK-Open End6500StandardNANANANA

₹ 441.02

1 Piece(s) 5 Day(s) or more -Radial253216Single RowMetric System-15900NANAHK-Open End6500StandardNANANANA

₹ 526.73

1 Piece(s) 5 Day(s) or more -Radial253216Single RowMetric System-15900Double-sided Seal TypeAvailableHK-Open End Double-sided Seal9500StandardNANANANA

₹ 430.76

1 Piece(s) Same day -Radial253220Single RowMetric System-20300NANAHK-Open End6500StandardNANANANA

₹ 529.42

1 Piece(s) 5 Day(s) or more -Radial253226Single RowMetric System-26400NANAHK-Open End6500StandardNANANANA

₹ 641.93

1 Piece(s) 5 Day(s) or more 10Radial253238Double RowMetric System-35000NANAHK-Open End Multiple-Row Type6500StandardNAAvailableNANA

₹ 453.71

1 Piece(s) 5 Day(s) or more -Radial283520Single RowMetric System-21300NANAHK-Open End5500StandardNANANANA

₹ 426.96

1 Piece(s) 5 Day(s) or more -Radial303712Single RowMetric System-13000NANAHK-Open End5500StandardNANANANA

₹ 574.25

1 Piece(s) 8 Day(s) or more 10Radial303720Single RowMetric System-18100Double-sided Seal TypeNAHK-Open End Double-sided Seal5500StandardNANANANA

₹ 664.69

1 Piece(s) 5 Day(s) or more 10Radial303738Double RowMetric System-38500NANAHK-Open End Multiple-Row Type5500StandardNAAvailableNANA

₹ 503.24

1 Piece(s) 5 Day(s) or more -Radial354220Single RowMetric System-24800NANAHK-Open End4700StandardNANANANA

₹ 528.35

1 Piece(s) 5 Day(s) or more -Radial404712Single RowMetric System-15100NANAHK-Open End4000StandardNANANANA

₹ 636.56

1 Piece(s) 8 Day(s) or more -Radial455216Single RowMetric System-21600NANAHK-Open End3700StandardNANANANA

₹ 664.69

1 Piece(s) 8 Day(s) or more -Radial455220Single RowMetric System-27600NANAHK-Open End3700StandardNANANANA

₹ 719.60

1 Piece(s) 8 Day(s) or more -Radial505820Single RowMetric System-31500NANAHK-Open End3200StandardNANANANA

₹ 730.33

1 Piece(s) 8 Day(s) or more -Radial505825Single RowMetric System-38500NANAHK-Open End3200StandardNANANANA

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Basic Information

Raceway Ring Shape Needle Roller Outer Ring With Outer Ring Inner/Outer Ring Material Steel
Specifications/Environment Standard Rolling Element Material Steel Outer Ring Type Flat